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Université Aristote de Thessaloniki
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Thomas Kehagias
Professor, School of Physics
Personal Information
2310998023
2310998589
kehagias@auth.gr
http://nmmg.physics.auth.gr
Scopus ID
6701530164
Researcher ID
N-6318-2015
OrcID ID
0000-0001-9745-265X
Γνωστικό Αντικείμενο
:
Ηλεκτρονική Μικροσκοπία και Δομικές Ιδιότητες Στερεών
Επιστημονική Ειδίκευση
:
Θετικές επιστήμες, Μαθηματικά και Πληροφορική
Φυσική
Μηχανική και μεταλλουργία
Solid State Physics and Materials Science
Education
Προπτυχιακές Σπουδές
1985
Πτυχίο Φυσικής
Φυσικής / Θετικών Επιστημών
Α.Π.Θ.
Greece
Διδακτορικό Δίπλωμα
1991
ΔΔ Φυσικής
Φυσικής / Θετικών Επιστημών
Α.Π.Θ.
Greece
Ηλεκτρονική Μικροσκοπία Διέλευσης (TEM)
Course Work
Courses of Winter semester of 2017–18 academic year
TMĪMA FYSIKĪS
ΓΘΥ201
Physics I (Mechanics)
ΣΥΕ201
Physics of Metals
METAPTYCΗIAKO TMĪMATOS FYSIKĪS
ΜΦΥ653
MATERIALS STRUCTURE, GROWTH AND SYNTHESIS
ΜΦΥ654
MATERIALS CHARACTERIZATION TECHNIQUES: THEORY AND LABORATORY
Courses of Spring semester of 2017–18 academic year
TMĪMA FYSIKĪS
ΓΘΥ501
Introductory Physics Laboratory
METAPTYCΗIAKO TMĪMATOS FYSIKĪS
ΜΦΥ657
INDUSTRIAL MATERIALS
ΜΦΥ781
MATERIALS CHARACTERIZATION LABORATORY II
Theses Supervised
Student Theses within AUTh
In progress
Florini Nikoletta. "Δομική μελέτη σύνθετων ημιαγωγικών νανοδομών"
Terzidīs CΗrysovalantīs. "Ανακύκλωση και σταθεροποίηση στερεών αποβλήτων"
2015–2016
Stamou Thomais. "Προσομοίωση των ελαστικών πεδίων τάσης-παραμόρφωσης νανοδομών III-V με την μέθοδο των πεπερασμένων στοιχείων"
2014–2015
Koukoula Triantafyllia. "Δομικές Ιδιότητες και Φαινόμενα σε Ημιαγωγικά Συστήματα Χαμηλών Διαστάσεων" Εξειδίκευση: "Δομικές ιδιότητες και φαινόμενα σε σύνθετους ημιαγωγούς ΙΙΙ-Ν χαμηλών διαστάσεων"
Paschalidis Iordanis. "Μηχανοσύνθεση και χαρακτηρισμός σύνθετων θερμοηλεκτρικών οξειδίων κοβαλτίου"
Gkountaras Athanasios. "Επιταξιακή προσαρμογή υμενίων InGaAs σε πορώδη υποστρώματα GaAs"
Administrative Work
Τμήματος
#
Από
Έως
Θέση Όργανο / Επιτροπή
1
2012
2016
Head, Επιτροπή Οικονομικών
2
2012
2016
Member, Επιτροπή Προγράμματος Σπουδών
3
2002
2016
Member, Γενική Συνέλευση Τμήματος
Research Projects
2017–2019
Νανοαναλύσεις προηγμένων υλικών με μεθόδους ηλεκτρονικής μικροσκοπίας διέλευσης
2015–2016
XXXI Πανελλήνιο Συνέδριο Φυσικής Στέρεας κατάστασης και Επιστημών Υλικών
2015–2015
Συνέδριο: "ΧΧΧΙ Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών"
2015–2015
XXXI Πανελλήνιο Συνέδριο Φυσικής Στέρεας κατάστασης και Επιστημών Υλικών
2006–2010
Δομικός χαρακτηρισμός υλικών με ηλεκτρονική μικροσκοπία διελεύσεως.
2005–2007
ΠΥΘΑΓΟΡΑΣ ΙΙ (Περιβάλλον): Μηχανική προσομοιομένων συστημάτων τοξικών αποβλήτων
Publications
2017
Without Type
Kotoulas A
,
Dendrinou-Samara Aikaterini
,
Sarafidis Charalampos
,
Kehagias Thomas
,
Arvanitidis Ioannis
,
Vourlias Georgios
,
Angelakeris Mavroeidis
,
Kalogirou Orestis
(2017)
.
Carbon-encapsulated cobalt nanoparticles: synthesis, properties, and magnetic particle hyperthermia efficiency
.
Journal of Nanoparticle Research
.
vol.19 p.399
.
2015
Without Type
Bazioti C
,
Papadomanolaki E
,
Kechagias Thomas
,
Androulidaki M
,
Dimitrakopoulos Georgios
,
Iliopoulos E
(2015)
.
Structure and strain variation in InGaN interlayers grown by PAMBE at low substrate temperatures
.
Physica Status Solidi (B) Basic Research
.
Siozios A
,
Koutsogeorgis D.C
,
Lidorikis E
,
Dimitrakopoulos Georgios
,
Pliatsikas N
,
Vourlias Georgios
,
Kechagias Thomas
,
Komninou Philomela
,
Cranton W
,
Kosmidis C
,
Patsalas Panagiotis
(2015)
.
Laser-matter interactions, phase changes and diffusion phenomena during laser annealing of plasmonic AlN:Ag templates and their applications in optical encoding
.
Journal of Physics: D Applied Physics
.
2014
Without Type
Bazioti C
,
Dimitrakopoulos Georgios
,
Kechagias Thomas
,
Komninou Philomela
,
Siozios A
,
Lidorikis E
,
Koutsogeorgis D.C
,
Patsalas Panagiotis
(2014)
.
Influence of laser annealing on the structural properties of sputtered AlN:Ag plasmonic nanocomposites
.
Journal of Materials Science
.
Koukoula T
,
Kioseoglou Iosif
,
Kechagias Thomas
,
Ajagunna A. O
,
Komninou Philomela
,
Georgakilas A
(2014)
.
Self-annihilation of inversion domains by high energy defects in III-Nitrides
.
Applied Physics Letters
.
vol.104 no.14 p.141914
.
Lotsari A
,
Kechagias Thomas
,
Tsiakatouras G
,
Tsagaraki K
,
Katsikini Maria
,
Arvanitidis Ioannis
,
Christofilos Dimitrios
,
Ves Sotirios
,
Komninou Philomela
,
Georgakilas A
,
Dimitrakopulos G. P
(2014)
.
Structural anisotropic properties of a-plane GaN epilayers grown on r-plane sapphire by molecular beam epitaxy
.
Journal of Applied Physics
.
vol.115 no.21 p.213506
.
Without Type
Bairamis A. I
,
Adikimenakis A
,
Aijagunna A.O
,
Kechagias Thomas
,
Dimitrakopoulos Georgios
,
Kioseoglou Iosif
,
Komninou Philomela
,
Zervos C
,
Kuzmik J
,
Georgakilas A
(2014)
.
Different polarities of InN (0001) heterostructures on Si (111) substrates
.
Advanced Semiconductor Devices & Microsystems (ASDAM), 2014 10th International Conference on
.
Advanced Semiconductor Devices & Microsystems (ASDAM), 2014 10th International Conference on
.
Smolenice
.
2013
Without Type
Dimitrakopoulos Georgios
,
Lotsari A
,
Kechagias Thomas
,
Ajagunna A
,
Georgakilas A
,
Karakostas Theodoros
,
Komninou Philomela
(2013)
.
Structure and interfacial properties of semipolar s-plane (1-101) InN grown on r-plane sapphire
.
Physica Status Solidi (A) Applications and Materials Science
.
Kavouras P
,
Lotsari A
,
Kechagias Thomas
,
Georgakilas A
,
Komninou Philomela
,
Dimitrakopoulos Georgios
(2013)
.
Influence of defect characteristics on the nanoindentation response of a-plane GaN thin films
.
Physica Status Solidi (A) Applications and Materials Science
.
Kechagias Thomas
,
Dimitrakopulos Georgios
,
Becker P
,
Kioseoglou Iosif
,
Furtmayr F
,
Koukoula T
,
Hausler I
,
Chernikov A
,
Chatterjee S
,
Karakostas Theodoros
,
Solowan H-M
, et al
(2013)
.
Nanostructure and strain in InGaN/GaN superlattices grown in GaN nanowires
.
Nanotechnology
.
vol.24 no.43 p.435702
.
Kechagias Thomas
,
Dimitrakopulos G. P
,
Ajagunna A. O
,
Koukoula T
,
Tsagaraki K
,
Adikimenakis A
,
Komninou Philomela
,
Georgakilas A
(2013)
.
Growth mechanism and microstructure of low defect density InN (0001) In-face thin films on Si (111) substrates
.
Journal of Applied Physics
.
vol.114 no.16 p.163519
.
Kioseoglou Iosif
,
Koukoula T
,
Komninou Philomela
,
Georgakilas A
,
Androulidaki M
,
Kechagias Thomas
(2013)
.
Nanostructural and electronic properties of polytypes in InN nanocolumns
.
Journal of Applied Physics
.
vol.114 no.7 p.074 - 312
.
Teubert J
,
Koslowski S
,
Lippert S
,
Schäfer M
,
Wallys J
,
Dimitrakopulos G
,
Kechagias Thomas
,
Komninou Philomela
,
Das A
,
Monroy E
,
Eickhoff M
(2013)
.
InGaN/GaN quantum dots as optical probes for the electric field at the GaN/electrolyte interface
.
Journal of Applied Physics
.
vol.114 no.7
.
2012
Without Type
Fardis M
,
Douvalis A. P
,
Tsitrouli D
,
Rabias I
,
Stamopoulos Dimitrios
,
Kechagias Thomas
,
Karakosta E
,
Diamantopoulos G
,
Bakas T
,
Papavassiliou G
(2012)
.
Structural, static and dynamic magnetic properties of dextran coated gamma-Fe2O3 nanoparticles studied by Fe-57 NMR, Mossbauer, TEM and magnetization measurements
.
Journal of Physics-Condensed Matter
.
vol.24 no.15
.
Kioseoglou J
,
Kalesaki E
,
Dimitrakopulos G. P
,
Kehagias Th
,
Komninou Ph
,
Karakostas Th
(2012)
.
Atomistic modeling and HRTEM simulations of misfit dislocations in InN/GaN interfaces
.
Applied Surface Science
.
vol.260 p.23-28
.
Kioseoglou J
,
Kalesaki E
,
Dimitrakopulos G. P
,
Kehagias Th
,
Komninou Ph
,
Karakostas Th
(2012)
.
Atomistic modeling and HRTEM analysis of misfit dislocations in InN/GaN heterostructures
.
Applied Surface Science
.
Koukoula T
,
Lotsari A
,
Kehagias Th
,
Dimitrakopulos G. P
,
Häusler I
,
Das A
,
Monroy E
,
Karakostas Th
,
Komninou Ph
(2012)
.
Structure and strain state of polar and semipolar InGaN quantum dots
.
Applied Surface Science
.
Lotsari A
,
Dimitrakopulos G. P
,
Kehagias Th
,
Das A
,
Monroy E
,
Komninou Ph
(2012)
.
Structural properties of semipolar InGaN/GaN quantum dot superlattices grown by plasma-assisted MBE
.
Microelectronic Engineering
.
vol.90 p.108-111
.
Lotsari A
,
Das A
,
Kehagias T
,
Kotsar Y
,
Monroy E
,
Karakostas T
,
Gladkov P
,
Komninou P
,
Dimitrakopulos G. P
(2012)
.
Morphology and origin of V-defects in semipolar (11-22) InGaN
.
Journal of Crystal Growth
.
vol.339 no.1 p.1-7
.
Siozios A
,
Koutsogeorgis D. C
,
Lidorikis E
,
Dimitrakopulos G. P
,
Kehagias T
,
Zoubos H
,
Komninou P
,
Cranton W. M
,
Kosmidis C
,
Patsalas P
(2012)
.
Optical encoding by plasmon-based patterning: Hard and inorganic materials become photosensitive
.
Nano Letters
.
vol.12 no.1 p.259-263
.
Without Type
Kehagias Th
,
Kioseoglou J
,
Koukoula T
,
Ajagunna A. O
,
Georgakilas A
,
Komninou Ph
(2012)
.
Polytypism in InN nanopillars grown on Si(111)
.
EMC2012
.
Kehagias Th
,
Kioseoglou J
,
Koukoula T
,
Ajagunna A. O
,
Georgakilas A
,
Komninou Ph
(2012)
.
Crystal and Electronic Properties of Polytypes in InN Nanopillars
.
EDS-2012
.
Kioseoglou J
,
Koukoula T
,
Kehagias Th
,
Furtmayr F
,
Eickhoff M
,
Kirmse H
,
Neumann W
,
Karakostas Th
,
Komninou Ph
(2012)
.
Interfacial structure of GaN nanowires on treated Al2O3 substrates
.
EDS-2012
.
Kioseoglou J
,
Koukoula T
,
Kehagias Th
,
Ajagunna A. O
,
Georgakilas A
,
Komninou Ph
(2012)
.
Structural polytypes in InN nanopillars
.
Micro-Nano2012
.
Kioseoglou J
,
Dimitrakopoulos G. P
,
Lotsari A
,
Kehagias Th
,
Zacharopoulos M
,
Karakostas Th
,
Komninou Ph
(2012)
.
Structure of homophase and heterophase interfaces in nonpolar III-Nitride epilayers
.
Πρακτικά 28ου Πανελλήνιου Συνεδρίου Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Πάτρα
.
Komninou Ph
,
Kehagias Th
,
Kioseoglou J
,
Furtmayr F
,
Eickhoff M
,
Karakostas Th
,
Koukoula T
(2012)
.
Structural analysis of catalyst-free growth of GaN nanowires on Al2O3 substrates
.
EMC2012
.
Koukoula T
,
Kioseoglou J
,
Kehagias Th
,
Ajagunna A. O
,
Georgakilas A
,
Komninou Ph
(2012)
.
Polytypism in InN Nanopillars Grown on Si: Structural and Electronic Properties
.
Πρακτικά 28ου Πανελλήνιου Συνεδρίου Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Πάτρα
.
Lotsari A
,
Kehagias Th
,
Katsikini M
,
Arvanitidis J
,
Ves S
,
Tsiakatouras G
,
Tsagaraki K
,
Georgakilas A
,
Komninou Ph
,
Dimitrakopulos G. P
(2012)
.
Structure-property relationships in anisotropic nonpolar heteroepitaxial GaN films
.
XXVIII Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης και Επιστήμης Υλικών
.
Patras, Greece
.
Lotsari Α
,
Katsikini M
,
Kehagias Th
,
Arvanitidis J
,
Ves S
,
Tsiakatouras G
,
Tsagaraki Κ
,
Georgakilas Α
,
Komninou Ph
,
Dimitrakopulos G. P
(2012)
.
Structural Anisotropic Properties of Nonpolar A-plane GaN on R-plane Sapphire
.
International Conference on Extended Defects in Semiconductors
.
Thessaloniki, Greece
.
Without Type
Lotsari A
,
Dimitrakopulos G. P
,
Kehagias T
,
Ajagunna A. O
,
Iliopoulos E
,
Georgakilas A
,
Komninou P
,
Parbrook P. J. (editor)
,
Martin R. W. (editor)
,
Halsall M. P. (editor)
(2012)
.
Structural characterization of InN epilayers grown on r-plane sapphire by plasma-assisted MBE: Physica Status Solidi C: Current Topics in Solid State Physics, Vol 9, No 3-4
.
2011
Without Type
Das A
,
Sinha P
,
Kotsar Y
,
Kandaswamy P. K
,
Dimitrakopulos G. P
,
Kehagias T
,
Komninou P
,
Nataf G
,
De Mierry P
,
Monroy E
(2011)
.
Growth and characterization of polar (0 0 0 1) and semipolar (1 1 -2 2) InGaN/GaN quantum dots
.
Journal of Crystal Growth
.
vol.323 no.1 p.161-163
.
Das A
,
Dimitrakopulos G. P
,
Kotsar Y
,
Lotsari A
,
Kehagias T
,
Komninou P
,
Monroy E
(2011)
.
Improved luminescence and thermal stability of semipolar (11-22) InGaN quantum dots
.
Applied Physics Letters
.
vol.98 no.20
.
Gačević Ž
,
Das A
,
Teubert J
,
Kotsar Y
,
Kandaswamy P. K
,
Kehagias T
,
Koukoula T
,
Komninou P
,
Monroy E
(2011)
.
Internal quantum efficiency of III-nitride quantum dot superlattices grown by plasma-assisted molecular-beam epitaxy
.
Journal of Applied Physics
.
vol.109 no.10
.
Geelhaar L
,
Chéze C
,
Jenichen B
,
Brandt O
,
Pfüller C
,
Münch S
,
Rothemund R
,
Reitzenstein S
,
Forchel A
,
Kehagias T
,
Komninou P
, et al
(2011)
.
Properties of GaN nanowires grown by molecular beam epitaxy
.
IEEE Journal on Selected Topics in Quantum Electronics
.
vol.17 no.4 p.878-888
.
Kehagias Th
,
Dimitrakopulos G. P
,
Kioseoglou J
,
Kirmse H
,
Giesen C
,
Heuken M
,
Georgakilas A
,
Neumann W
,
Karakostas Th
,
Komninou Ph
(2011)
.
Erratum: Indium migration paths in V-defects of InAlN grown by metal-organic vapor phase epitaxy (Applied Physics Letters (2009) 95 (071905))
.
Applied Physics Letters
.
vol.99 no.5
.
Without Type
Das A
,
Kotsar Y
,
Lahourcade L
,
Dimitrakopulos G. P
,
Kehagias Th
,
Lotsari A
,
Koukoula T
,
Komninou Ph
,
Monroy E
(2011)
.
Plasma-Assisted MBE of Semipolar (11-22)-Oriented III-Nitrides: 2D Layers and Nanostructures
.
International Conference on Nitride Semiconductors - ICNS9
.
Kehagias Th
,
Koukoula T
,
Dimitrakopulos G. P
,
Kalesaki E
,
Kioseoglou J
,
Kirmse H
,
Furtmayr F
,
Neumann W
,
Eickhoff M
,
Karakostas Th
,
Komninou Ph
(2011)
.
Interfacial Phenomena in InGaN/GaN Superlattices Embedded in Spontaneously Grown GaN Nanowires
.
27ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Λεμεσός, Κύπρος
.
p.4-5
.
Lotsari A
,
Dimitrakopulos G. P
,
Kehagias Th
,
Koukoula T
,
Das A
,
Monroy E
,
Komninou Ph
(2011)
.
InGaN quantum dots: structural characterization and strain state
.
27ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Λεμεσός, Κύπρος
.
p.125-126
.
Without Type
Dimitrakopulos G. P
,
Lotsari A
,
Kehagias Th
,
Katsikini M
,
Arvanitidis J
,
Christofilos D
,
Ves S
,
Tsiakatouras G
,
Ajagunna A. O
,
Iliopoulos E
,
Georgakilas A
, et al
(2011)
.
Structural anisotropic properties of a-plane (11-20) GaN and InN films grown on r-plane sapphire by PAMBE
.
E-MRS (European Materials Research Society) Fall Meeting
.
Warsaw (Poland)
.
Dimitrakopulos G. P
,
Lotsari A
,
Kalesaki E
,
Kioseoglou J
,
Kehagias Th
,
Lahourcade L
,
Das A
,
Monroy E
,
Hausler I
,
Kirmse H
,
Neumann W
, et al
(2011)
.
Self-assembled Quantum Dot Superlattices in Semipolar (11-22) III-Nitrides: Stoichiometry, Strain State and Morphology
.
EMRS-2011 Fall meeting
.
Kehagias Th
,
Koukoula T
,
Dimitrakopulos G. P
,
Kioseoglou J
,
Kalesaki E
,
Furthmayr F
,
Eickhoff M
,
Kirmse H
,
Neumann W
,
Karakostas Th
,
Komninou Ph
(2011)
.
Nanoscale Properties of InGaN Quantum Disks Grown in GaN Nanowires
.
EMRS-2011 Fall meeting
.
Kehagias Th
,
Koukoula T
,
Dimitrakopulos G. P
,
Kalesaki E
,
Kioseoglou J
,
Furtmayr F
,
Kirmse H
,
Neumann W
,
Eickhoff M
,
Karakostas Th
,
Komninou Ph
(2011)
.
Nanostructure of InGaN/GaN Superlattices in GaN Nanowires
.
MRS 2011 Fall Meeting
.
Kehagias Th
,
Kioseoglou J
,
Koukoula T
,
Ajagunna A. O
,
Georgakilas A
,
Komninou Ph
(2011)
.
Nanostructure and identification of polytypes in InN nanocolumns
.
EMRS-2011 Fall meeting
.
Kioseoglou J
,
Kalesaki E
,
Dimitrakopulos G. P
,
Kehagias Th
,
Komninou Ph
,
Karakostas Th
(2011)
.
Interfacial structures of (Al,In)N/GaN through atomistic modelling and HRTEM image simulations
.
EMRS-2011 Fall meeting
.
Koukoula T
,
Kehagias Th
,
Dimitrakopulos G. P
,
Kalesaki E
,
Kioseoglou J
,
Furtmayr F
,
Eickhoff M
,
Häusler I
,
Neumann W
,
Karakostas Th
,
Komninou Ph
(2011)
.
InGaN Nanostructures Embedded in GaN Nanowires
.
NN11
.
Lotsari A
,
Dimitrakopulos G. P
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Kehagias Th
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Georgakilas A
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Defect properties and anisotropy of nonpolar a-plane GaN films grown on r-plane sapphire by MBE
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9th International Conference on Nitride Semiconductors
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Glasgow (UK)
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2010
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Chèze C
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Geelhaar L
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Brandt O
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Weber W. M
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Riechert H
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Münch S
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Rothemund R
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Reitzenstein S
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Forchel A
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Kehagias T
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Direct comparison of catalyst-free and catalyst-induced GaN nanowires
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Nano Research
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Kalliakos S
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Xenogianni C
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Kehagias T
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Komninou P
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Savvidis P. G
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Hatzopoulos Z
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Pelekanos N. T
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Piezoelectric InAs (211)B quantum dots grown by molecular beam epitaxy: Structural and optical properties
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Journal of Applied Physics
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vol.108 no.10
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Dimitrakopulos G. P
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Kehagias T
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Ajagunna A
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Kioseoglou J
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Kerasiotis I
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Nouet G
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Vajpeyi A. P
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Komninou P
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Karakostas T
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Microstructure of N-face InN grown on Si (111) by plasma-assisted MBE using a thin GaN-lN buffer layer
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Physica Status Solidi (A) Applications and Materials
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Dimitrakopulos G. P
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Kalesaki E
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Kioseoglou J
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Kehagias Th
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Lotsari A
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Monroy E
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Häusler I
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Kirmse H
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Morphology and strain of self-assembled semipolar GaN quantum dots in (112̄2) AlN
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Journal of Applied Physics
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vol.108 no.10
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Lahourcade L
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Lotsari A
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Monroy E
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Interfacial structure of semipolar AlN grown on m-plane sapphire by MBE
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Physica Status Solidi (B) Basic Research
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Kehagias T
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Nanoscale indium variation along InGaN nanopillars grown on (1 1 1) Si substrates
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Physica E: Low-Dimensional Systems and Nanostructures
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Lotsari A
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Kehagias Th
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Kavouras P
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Zoubos H
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Koutsokeras L. E
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Structure, stability and mechanical performance of AlN:Ag nanocomposite films
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Surface and Coatings Technology
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Kechagias Thomas
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Stamopoulos Dimitrios
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Maris T. G
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Falaras P
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Diamantis N
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Rapid magnetic heating treatment by highly charged maghemite nanoparticles on Wistar rats exocranial glioma tumors at microliter volume
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Biomicrofluidics
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vol.4 no.2 p.1-8
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Tsilika I
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Eleftheriadis I
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Kehagias T
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Pavlidou E
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Karakostas T
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Komninou P
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Crystallization process of thermally treated vitrified EAFD waste
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Journal of the European Ceramic Society
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vol.30 no.10 p.2009-2015
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Dimitrakopulos G. P
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Kalesaki E
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Kioseoglou J
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Kehagias Th
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Lotsari A
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Lahourcade L
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Monroy E
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Hausler I
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Kirmse H
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Neumann W
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Jurczak G
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Strain State and Internal Polarization of Semipolar (11-22)-oriented GaN Quantum Dots in AlN
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ιωάννινα
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p.52-53
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Kehagias Th
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Koukoula T
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Dimitrakopulos G. P
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Kalesaki E
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Kirmse H
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Neumann W
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Furtmayr F
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Eickhoff M
,
Karakostas Th
,
Komninou Ph
(2010)
.
Transmission electron microscopy of InGaN nanostructures embedded in GaN Nanorods
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ιωάννινα
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p.18-19
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Koukoula T
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Kehagias Th
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Lotsari A
,
Das A
,
Monroy E
,
Dimitrakopulos G. P
,
Komninou Ph
(2010)
.
Self-assembled inGaN quantum dot superlattices for optical sensor applications
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Θεσσαλονίκη
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p.184-185
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Koukoula T
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Kehagias Th
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Lotsari A
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Das A
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Monroy E
,
Dimitrakopulos G. P
,
Komninou Ph
(2010)
.
InGaN Quantum Dot superlattices grown in GaN by plasma assisted MBE
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Ιωάννινα
.
Lotsari A
,
Kehagias Th
,
Lahourcade L
,
Monroy E
,
Dimitrakopulos G. P
,
Komninou Ph
(2010)
.
The AlN/sapphire interface in semipolar (11-22) heteroepitaxy by MBE: Structure and defects
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Ιωάννινα
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p.141-142
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Lotsari A
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Dimitrakopulos G. P
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Kehagias Th
,
Tsiakatouras G
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Georgakilas A
,
Komninou Ph
(2010)
.
Morphological and microstructural evolution in the growth of non-polar a-plane GaN thin films on r-plane sapphire using an AlN buffer layer
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Ιωάννινα
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p.143-144
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Lotsari A
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Dimitrakopulos G. P
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Kehagias Th
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Katsikini M
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Arvanitidis J
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Christofilos D
,
Tsiakatouras G
,
Georgakilas A
,
Komninou Ph
(2010)
.
Microstructural evolution and anisotropy in MBE-grown a-plane GaN epilayers on r-plane sapphire
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4th International Conference on Micro-Nanoelectronics, Nanotechnologies & MEMs
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Athens, Greece
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Soumelidou M. M
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Kalesaki E
,
Kioseoglou J
,
Kehagias Th
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Kirmse H
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Neumann W
,
Komninou Ph
,
Karakostas Th
(2010)
.
Electron energy loss near edge structure of InxAl1-xN alloys
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26ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Ιωάννινα
.
2009
Without Type
Adikimenakis A
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Sahonta S. L
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Dimitrakopulos G. P
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Domagala J
,
Kehagias T
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Komninou P
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Iliopoulos E
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Georgakilas A
(2009)
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Effect of AlN interlayers in the structure of GaN-on-Si grown by plasma-assisted MBE
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Journal of Crystal Growth
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vol.311 no.7 p.2010-2015
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Breedon M
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Kehagias Th
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Shafiei M
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Kalantar-zadeh K
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Wlodarski W
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ZnO nanostructures grown on epitaxial GaN
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Thin Solid Films
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vol.518 no.4 p.1053-1056
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Dimitrakopulos G. P
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Kalesaki E
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Komninou Ph
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Kehagias Th
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Kioseoglou J
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Karakostas Th
(2009)
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Strain accommodation and interfacial structure of AlN interlayers in GaN
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Crystal Research and Technology
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vol.44 no.10 p.1170-1180
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Kehagias Th
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Dimitrakopulos G. P
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Kioseoglou J
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Kirmse H
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Giesen C
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Heuken M
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Georgakilas A
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Neumann W
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Karakostas Th
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Komninou Ph
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Indium migration paths in V-defects of InAlN grown by metal-organic vapor phase epitaxy
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Applied Physics Letters
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vol.95 no.7
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Lahourcade L
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Valdueza-Felip S
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Kehagias T
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Dimitrakopulos G. P
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Komninou P
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Monroy E
(2009)
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Stranski-Krastanow growth of (11(2)over-bar2) oriented GaN/AlN quantum dots
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Applied Physics Letters
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vol.94 no.11
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Pinakidou F
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Katsikini M
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Kaimakamis G
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Kehagias Th
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Paloura E. C
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Effect of annealing on the structural role of Fe in composite Fe- and Zn-rich materials: A XAFS study
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Journal of Alloys and Compounds
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vol.483 no.1-2 p.665-669
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Sahonta S. L
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Dimitrakopulos G. P
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Kehagias T
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Kioseoglou J
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Adikimenakis A
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Iliopoulos E
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Georgakilas A
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Kirmse H
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Neumann W
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Komninou P
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Mechanism of compositional modulations in epitaxial InAlN films grown by molecular beam epitaxy
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Applied Physics Letters
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vol.95 no.2
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Gkinis Th
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Tresintsi S
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Moschou P
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Simeonidis K
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Mitrakas Manassis
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Kechagias Thomas
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Kalogirou Orestis
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Angelakeris Mavroeidis
(2009)
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Evaluation of iron oxide nanoparticles prepared by high-energy ball milling in drinking water treatment
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ΧXV Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης και Επιστήμης Υλικών
.
ΧXV Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης και Επιστήμης Υλικών
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Θεσσαλονίκη, Ελλάδα
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p.189-190
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Kalesaki E
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Kehagias Th
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Kioseoglou J
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Lotsari A
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Lahourcade L
,
Monroy E
,
Dimitrakopulos G. P
,
Komninou Ph
(2009)
.
Morphological and structural characterization of polar and semipolar QDs
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25ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Θεσσαλονίκη
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p.60-61
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Kehagias Th
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Sahonta S. L
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Dimitrakopulos G. P
,
Kioseoglou J
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Kirmse H
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Neumann W
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Giesen C
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Heuken M
,
Adikimenakis A
,
Georgakilas A
,
Karakostas Th
, et al
(2009)
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Mechanisms of Indium Segregation in MOVPE and MBE Grown InAlN Epilayers
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25ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Θεσσαλονίκη
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p.50-51
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Kioseoglou J
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Kalesaki E
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Dimitrakopulos G. P
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Kehagias Th
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Komninou Ph
,
Karakostas Th
(2009)
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Atomic Scale Modelling by the use of a III-species Environment Approach: Implementation on Threading Dislocations and (Al,In)N/GaN Interfaces
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25ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Θεσσαλονίκη
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p.314-315
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Lotsari A
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Dimitrakopulos G. P
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Kehagias Th
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Kavouras P
,
Patsalas P
,
Komninou Ph
(2009)
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Structural and Mechanical Properties of AlN:Ag Nanocomposite Coatings grown by Pulsed Laser Deposition
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25ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Θεσσαλονίκη
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Monroy E
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Kandaswamy P. K
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Lahourcade L
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Wirthmuller A
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Tchernycheva M
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Julien F. H
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Kehagias Th
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Dimitrakopulos G. P
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Komninou Ph
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Ruterana P
,
Eickhoff M
(2009)
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Polar and semipolar GaN/AlN nanostructures for optoelectronic applications
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25ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
.
Θεσσαλονίκη
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p.94-95
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2008
Without Type
Delimitis A
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Komninou P
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Kehagias T
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Pavlidou E
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Karakostas T
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Gladkov P
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Nohavica D
(2008)
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Controlled growth of porous networks in phosphide semiconductors
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Journal of Porous Materials
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vol.15 no.1 p.75-81
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Dimitrakopulos G. P
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Komninou P
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Kehagias T
,
Sahonta S. L
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Kioseoglou J
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Vouroutzis N
,
Hausler I
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Neumann W
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Iliopoulos E
,
Georgakilas A
,
Karakostas T
(2008)
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Strain relaxation in AlN/GaN heterostructures grown by molecular beam epitaxy
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Physica Status Solidi a-Applications and Materials Science
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vol.205 no.11 p.2569-2572
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Dimitrakopulos G. P
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Komninou P
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Kehagias T
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Delimitis A
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Kioseoglou J
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Sahonta S. L
,
Iliopoulos E
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Georgakilas A
,
Karakostas T
(2008)
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Electron Microscopy Characterization of a Graded AlN/GaN Multilayer Grown by Plasma-Assisted MBE
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Microscopy of Semiconducting Materials 2007
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vol.120 p.65-68 497
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Kavouras Panagiotis
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Kechagias Thomas
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Komninou Filomila
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Chrysafis Konstantinos
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Charitidis Constantine
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Karakostas Theodoros
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Interface controlled active fracture modes in glass-ceramics
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Journal of Materials Science
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Published Version
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vol.43 no.11 p.3954-3959
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Kehagias T
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Komninou P
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Dimitrakopulos G. P
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Sahonta S. L
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Cheze C
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Geelhaar L
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Riechert H
,
Karakostas T
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Epitaxial Growth of Single Crystalline GaN Nanowires on (0001) Al2O3
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Microscopy of Semiconducting Materials 2007
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vol.120 p.225-228 497
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Chèze C
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Geelhaar L
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Riechert H
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Atomic-scale configuration of catalyst particles on GaN nanowires
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Physica Status Solidi (C) Current Topics in Solid State Physics
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vol.5 no.12 p.3716-3719
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Lari L
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Murray R. T
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Gass M. H
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Bullough T. J
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Chalker P. R
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Kehagias Th
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Komninou Ph
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Karakostas Th
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Defect characterization and analysis of III-V nanowires grown by Ni-promoted MBE
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Physica Status Solidi (A) Applications and Materials
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Nohavica D
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Gladkov P
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Delimitis A
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Micropore modification in InP
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Physica Status Solidi (A) Applications and Materials
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vol.205 no.11 p.2577-2580
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Sahonta S. L
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Komninou Ph
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Dimitrakopulos G. P
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Kioseoglou J
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Microstructure of defects in InGaN/GaN quantum well heterostructures
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Journal of Physics: Conference Series
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Salcianu C
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Kioseoglou J
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Kehagias Th
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Smalc-Koziorowska J
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Kalessaki E
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Sahonta S. L
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Komninou Ph
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Interfacial structures and defects in nitride compound semiconductors studied at the atomic scale
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24ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ηράκλειο
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p.8-9
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Kehagias Th
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Dimitrakopulos G. P
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Geelhaar L
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Riechert H
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Karakostas Th
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Nanostructural analysis of GaN quantum wires grown on Al2O3(0001), Si(111) and Si(001) substrates
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24ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ηράκλειο
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p.131-132
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Kioseoglou J
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Kehagias Th
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Kalessaki E
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Misfit analysis of the InN/GaN interface through HRTEM image simulations
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Springer-Verlag
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Kehagias Th
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Kalessaki E
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Komninou Ph
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Karakostas Th
(2008)
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HRTEM observations and simulations of InN/GaN interfacial structure
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24ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ηράκλειο
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p.217-218
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Smalc-Koziorowska J
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Kehagias Th
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Sahonta S.-L
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Tsiakatouras G
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επιμ.
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Proceedings of the 14th European Microscopy Congress 2008 (EMC2008)
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Aachen, Germany
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Springer-Verlag
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Tsilika I
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Komninou Ph
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Dimitrakopulos G. P
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Karakostas Th
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Exsolution phenomena in glass-ceramic systems
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επιμ.
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Proceedings of the 14th European Microscopy Congress 2008 (EMC2008)
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Aachen, Germany
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Springer-Verlag
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vol.2: Materials Science p.537-538
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Tsilika I
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Kehagias Th
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Dimitrakopulos G. P
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Pavlidou E
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Komninou Ph
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Diffusion kinetics of metallic elements in thermally treated vitrified electric arc furnace dust
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24ο Πανελλήνιο Συνέδριο Φυσικής Στερεάς Κατάστασης & Επιστήμης Υλικών
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Ηράκλειο
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p.167-168
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2007
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Crisan O
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Angelakeris Mavroeidis
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Kechagias Thomas
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Filoti G
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Hybrid approach to the synthesis of FePt / Fe3B nanocomposite magnets
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Journal of Optoelectronics and Advanced Materials
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Kioseoglou J
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Strain distribution of thin InN epilayers grown on (0001) GaN templates by molecular beam epitaxy
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Applied Physics Letters
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vol.90 no.6
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Geelhaar L
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Axial and radial growth of Ni-induced GaN nanowires
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Applied Physics Letters
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vol.91 no.9
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Karoutsos V
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Growth modes of nanocrystalline Ni/Pt multilayers with deposition temperature
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Journal of Applied Physics
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Kavouras P
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Mis à jour: 2018-07-01