TY  - JOUR
AU  - Tanaka, K.
TI  - Photoinduced phenomena in amorphous Se: overview and notions
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 24
PY  - 2022
IS  - 1-2
SP  - 1
EP  - 8
PG  - 8
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/32881036
ID  - 32881036
AB  - Amorphous chalcogenide semiconductors exhibit a variety of light-induced phenomena, such as darkening, fluidity, deformation, crystallization, and phase change, some of which appear anisotropically upon illumination of linearly-polarized light. For studying these phenomena, Se may be the most suitable, since its microscopic structure is simple, being composed with entangled chains consisting of only homopolar bonds. Hence, after briefly reviewing light-induced changes in Se, including the phase change, we explore relationships between photodarkening and photo-crystallization, using a configurational diagram. Roles of athermal and thermal effects are quantitatively discussed. Besides, a model for understanding unique features of the anisotropic deformations is proposed.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, Keiji
TI  - Toward Ideal Glassy Selenium at Kauzmann Temperature
JF  - PHYSICA STATUS SOLIDI B-BASIC RESEARCH
J2  - PHYS STAT SOL B BASIC RES
PY  - 2022
PG  - 4
SN  - 0370-1972
DO  - 10.1002/pssb.202200112
UR  - https://m2.mtmt.hu/api/publication/33003345
ID  - 33003345
AB  - To get insights into glassy Se at Kauzmann temperature, Se clusters including helical and disordered H-nSe-H chains with n <= 20 are constructed, using an ab initio molecular orbital package. The study demonstrates the existence of kinked chains with bistable dihedral-angular conformations, which have similar total energies to that in straight helical chains. Electronically, such kinked chains possess wider optical gaps with no gap states, which is less efficient in localized electronic excitation. This would predict that the photodarkening cannot appear in fully stabilized glasses at Kauzmann temperatures, the behavior being similar to that demonstrated for liquid Se lying in thermal equilibrium.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Deepika, null
AU  - Dixit, M.
AU  - Kundu, K.
AU  - Singh, Hukum
TI  - Effect of 532 nm Nd:YAG laser irradiation on the optical properties of Ge1Se2.5 glass film
JF  - JOURNAL OF MODERN OPTICS
J2  - J MOD OPTIC
VL  - 68
PY  - 2021
IS  - 16
SP  - 868
EP  - 877
PG  - 10
SN  - 0950-0340
DO  - 10.1080/09500340.2021.1956614
UR  - https://m2.mtmt.hu/api/publication/32301130
ID  - 32301130
AB  - Ge1Se2.5 alloy was prepared using the melt quenching method and the film was deposited by the thermal evaporation method. The as-prepared film was irradiated with Nd:YAG laser at 532 nm wavelength for different durations. The structural and morphological characterization indicates that the film has nanoparticles of different shapes with sizes varying from 80 to 300 nm and the structure becomes more crystalline on laser irradiation. The refractive index of the film increases, while the band gap decreases on laser irradiation. The dispersion behaviour of refractive index was studied using the WDD model. The decrease in band gap is attributed to the increase of laser-induced defects, which consequently narrows the energy gap. The non-linear optical parameters were found to increase with an increase in laser irradiation time. The increase in these parameters and transformation from the amorphous to the polycrystalline phase make laser-irradiated films suitable for non-linear optical devices and optical recording media.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Zhang, Aixi
AU  - Jin, Yi
AU  - Liu, Tianyi
AU  - Stephens, Richard B.
AU  - Fakhraai, Zahra
TI  - Polyamorphism of vapor-deposited amorphous selenium in response to light
JF  - PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
J2  - P NATL ACAD SCI USA
VL  - 117
PY  - 2020
IS  - 39
SP  - 24076
EP  - 24081
PG  - 6
SN  - 0027-8424
DO  - 10.1073/pnas.2009852117
UR  - https://m2.mtmt.hu/api/publication/31701831
ID  - 31701831
AB  - Enhanced surface mobility is critical in producing stable glasses during physical vapor deposition. In amorphous selenium (a-Se) both the structure and dynamics of the surface can be altered when exposed to above-bandgap light. Here we investigate the effect of light on the properties of vapor-deposited a-Se glasses at a range of substrate temperatures and deposition rates. We demonstrate that deposition both under white light illumination and in the dark results in thermally and kinetically stable glasses. Compared to glasses deposited in the dark, stable a-Se glasses formed under white light have reduced thermal stability, as measured by lower density change, but show significantly improved kinetic stability, measured as higher onset temperature for transformation. While light induces enhanced mobility that penetrates deep into the surface, resulting in lower density during vapor deposition, it also acts to form more networked structures at the surface, which results in a state that is kinetically more stable with larger optical birefringence. We demonstrate that the structure formed during deposition with light is a state that is not accessible through liquid quenching, aging, or vapor deposition in the dark, indicating the formation of a unique amorphous solid state.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Sati, D.C.
AU  - Dahshan, A.
AU  - Sharma, P.
TI  - Photoinduced Effects for Amorphous Chalcogenide Semiconductors
JF  - APPLIED MATERIALS TODAY
J2  - APPL MATER TODAY
VL  - 17
PY  - 2019
SP  - 142
EP  - 158
PG  - 17
SN  - 2352-9407
DO  - 10.1016/j.apmt.2019.08.004
UR  - https://m2.mtmt.hu/api/publication/33843198
ID  - 33843198
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, Keiji
AU  - Shimakawa, Koichi
TI  - Mechanisms of photoinduced fluidity in chalcogenide glasses: Molecular orbital analyses
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 481
PY  - 2018
SP  - 579
EP  - 584
PG  - 6
SN  - 0022-3093
DO  - 10.1016/j.jnoncrysol.2017.12.005
UR  - https://m2.mtmt.hu/api/publication/27312145
ID  - 27312145
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, Keiji
TI  - Photoinduced deformations in chalcogenide glasses: What are the driving forces?
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 500
PY  - 2018
SP  - 272
EP  - 281
PG  - 10
SN  - 0022-3093
DO  - 10.1016/j.jnoncrysol.2018.08.008
UR  - https://m2.mtmt.hu/api/publication/27633510
ID  - 27633510
N1  - Export Date: 25 July 2023            
            CODEN: JNCSB
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, K
TI  - Excitation-induced effects in selenium clusters: molecular-orbital analyses
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 19
PY  - 2017
IS  - 9-10
SP  - 586
EP  - 594
PG  - 9
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/27312146
ID  - 27312146
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, Keiji
TI  - A Polaronic View of Impact Ionization in Amorphous Se Films
JF  - PHYSICA STATUS SOLIDI - RAPID RESEARCH LETTERS
J2  - PHYS STATUS SOLIDI-R
VL  - 11
PY  - 2017
IS  - 10
PG  - 3
SN  - 1862-6254
DO  - 10.1002/pssr.201700254
UR  - https://m2.mtmt.hu/api/publication/26915786
ID  - 26915786
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Goldan, A.H.
AU  - Li, C.
AU  - Pennycook, S.J.
AU  - Schneider, J.
AU  - Blom, A.
AU  - Zhao, W.
TI  - Molecular structure of vapor-deposited amorphous selenium
JF  - JOURNAL OF APPLIED PHYSICS
J2  - J APPL PHYS
VL  - 120
PY  - 2016
IS  - 13
PG  - 9
SN  - 0021-8979
DO  - 10.1063/1.4962315
UR  - https://m2.mtmt.hu/api/publication/34570518
ID  - 34570518
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Berashevich, J.
AU  - Mishchenko, A.
AU  - Reznik, A.
TI  - Two-Step Photoexcitation Mechanism in Amorphous Se
JF  - PHYSICAL REVIEW APPLIED
J2  - PHYS REV APPL
VL  - 1
PY  - 2014
IS  - 3
PG  - 8
SN  - 2331-7019
DO  - 10.1103/PhysRevApplied.1.034008
UR  - https://m2.mtmt.hu/api/publication/30635157
ID  - 30635157
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lindberg, G. P.
AU  - O'Loughlin, T.
AU  - Gross, N.
AU  - Mishchenko, A.
AU  - Reznik, A.
AU  - Abbaszadeh, S.
AU  - Karim, K. S.
AU  - Belev, G.
AU  - Weinstein, B. A.
TI  - Photo-crystallization in a-Se layer structures: Effects of film-substrate interface-rigidity
JF  - JOURNAL OF APPLIED PHYSICS
J2  - J APPL PHYS
VL  - 116
PY  - 2014
IS  - 19
PG  - 6
SN  - 0021-8979
DO  - 10.1063/1.4902166
UR  - https://m2.mtmt.hu/api/publication/30635156
ID  - 30635156
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Mekhtiyeva, S I
AU  - Isayev, A I
AU  - Atayeva, S U
AU  - Zeynalov, V Z
TI  - Features of the local structure of the Se95Te5 chalcogenide vitreous semiconductor doped with samarium
JF  - SEMICONDUCTORS
J2  - SEMICONDUCTORS+
VL  - 48
PY  - 2014
IS  - 9
SP  - 1151
EP  - 1154
PG  - 4
SN  - 1063-7826
DO  - 10.1134/S1063782614090152
UR  - https://m2.mtmt.hu/api/publication/25680156
ID  - 25680156
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - S I, Mekhtiyeva
AU  - A I, Isayev
AU  - S U, Atayeva
AU  - V Z, Zeynalov
TI  - The features of the lokal structure of Se95Te5 chalcogenide glass-like semiconductor doped by samarium
JF  - FIZIKA I TEKHNIKA POLUPROVODNIKOV
J2  - FIZ TEKH POLUPROVODN
VL  - 48
PY  - 2014
IS  - 8
SP  - 1182
EP  - 1185
PG  - 4
SN  - 0015-3222
UR  - https://m2.mtmt.hu/api/publication/23994290
ID  - 23994290
LA  - Russian
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tripathi, SK
TI  - Irradiation induced changes in semiconducting thin films
JF  - DEFECT AND DIFFUSION FORUM
J2  - DEFECT DIFFUS FORUM
VL  - 341
PY  - 2013
SP  - 181
EP  - 210
PG  - 30
SN  - 9783037858318
SN  - 1012-0386
DO  - 10.4028/www.scientific.net/DDF.341.181
UR  - https://m2.mtmt.hu/api/publication/25120687
ID  - 25120687
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Reyes-Retana, JA
ED  - Chinatsu, Aomori
ED  - Megumi, Hokkaido
TI  - Structural, Electronic, Vibrational and Optical Properties of Amorphous Selenium: A First Principles Molecular Dynamics Simulation
T2  - Selenium: Sources, Functions and Health Effects
PB  - Nova Science Publishers
SN  - 9781619420625
PB  - Nova Science Publishers
PY  - 2012
SP  - 231
EP  - 270
PG  - 40
UR  - https://m2.mtmt.hu/api/publication/23994406
ID  - 23994406
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Csarnovics, István
AU  - Erdélyi, Gábor
AU  - Kökényesi, Sándor Jenő
AU  - Csík, Attila
TI  - Effect of pressure on photo-induced expansion of As(0.2)Se(0.8) layer
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 357
PY  - 2011
IS  - 11-13
SP  - 2349
EP  - 2351
PG  - 3
SN  - 0022-3093
DO  - 10.1016/j.jnoncrysol.2010.11.062
UR  - https://m2.mtmt.hu/api/publication/1758766
ID  - 1758766
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Csarnovics, István
TI  - Enhancement of photo induced changes due to plasmon field in amorphous chalcogenide thin film structure
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 13
PY  - 2011
IS  - 2-4
SP  - 412
EP  - 415
PG  - 4
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/2350464
ID  - 2350464
AB  - Interaction of non-destructive laser light with amorphous chalcogenide semiconductor films results specific structural changes and related effects of optical recording and memory, which in general originate from electron-hole excitations, defect creation or modification and subsequent atomic motions. As far electron processes are sensitive to the electric fields, the light stimulated changes can be influenced by plasmon fields. We have investigated the effect of the plasmon field on the photo-darkening or bleaching and also on induced thickness changes in thin chalcogenide films, specifically in As 2S3and As2Se3 compositions, which are the most known and frequently used for investigations of photoinduced effects. Thin film structures built of gold nanoparticles (GNP) deposited on the silica glass substrate and covered by an amorphous film were used for investigations. Correlation was observed between the surface plasmon resonance in the selected spectral region of illumination of investigated samples and the characteristics of photo-darkening and bleaching, thickness change, which show on the possibility to increase the efficiency of optical recording in chalcogenide films.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Csarnovics, István
AU  - Kökényesi, Sándor Jenő
AU  - Glodán, Györgyi
AU  - Csík, Attila
TI  - Enhancement of photoinduced transformations in amorphous chalcogenide film via surface plasmon resonances
JF  - THIN SOLID FILMS
J2  - THIN SOLID FILMS
VL  - 519
PY  - 2011
IS  - 13
SP  - 4309
EP  - 4312
PG  - 4
SN  - 0040-6090
DO  - 10.1016/j.tsf.2011.02.023
UR  - https://m2.mtmt.hu/api/publication/1607761
ID  - 1607761
N1  - Megjegyzés-24003531
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: ============================================================
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - Veres, Miklós
AU  - Shimakawa, K
AU  - Kugler, Sándor
TI  - Photoinduced bond breaking in a-Se: Raman spectroscopic study
JF  - PHYSICA STATUS SOLIDI C-CURRENT TOPICS IN SOLID STATE PHYSICS
J2  - PHYS STATUS SOLIDI C CURR T SOLID STATE PHYS
VL  - 8
PY  - 2011
IS  - 9
SP  - 2789
EP  - 2791
PG  - 3
SN  - 1862-6351
DO  - 10.1002/pssc.201084144
UR  - https://m2.mtmt.hu/api/publication/1819094
ID  - 1819094
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - Kugler, Sándor
TI  - Photoinduced Volume Changes of Obliquely and Flatly Deposited Amorphous AsSe Films Universal Description of the Kinetics
JF  - JAPANESE JOURNAL OF APPLIED PHYSICS (2008)
J2  - JPN J APPL PHYS
VL  - 50
PY  - 2011
IS  - 9
PG  - 4
SN  - 0021-4922
DO  - 10.1143/JJAP.50.091401
UR  - https://m2.mtmt.hu/api/publication/2672016
ID  - 2672016
AB  - Recently, we have constructed structural models for flatly deposited amorphous Se (a-Se) and using these configurations we have developed atomic scale model of photoinduced volume changes in this type of films. In this paper the same work on obliquely deposited thin film is presented. Universal description for the kinetics of photoinduced volume change in chalcogenide glasses is proposed based on our results. Our model containing reversible (transient) and irreversible (metastable) parts for kinetics fits well the experimental results of both obliquely and flatly deposited a-AsSe thin films. Finally, we make a brief comment on stretched exponential function which could also provide a quite good fit to experimental data. (C) 2011 The Japan Society of Applied Physics
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - S, Charnovych
AU  - Gy, Glodán
TI  - EFFECT OF THE NANOPARTICLE SIZE ON THE PLASMON ENHANCED PHOTO-INDUCED CHANGES IN AMORPHOUS CHALCOGENIDE-GOLD NANOPARTICLE SYSTEM
JF  - ACTA PHYSICA DEBRECINA
J2  - ACTA PHYS DEBR
VL  - 45
PY  - 2011
SP  - 7
EP  - 17
PG  - 11
SN  - 1789-6088
UR  - https://m2.mtmt.hu/api/publication/23994365
ID  - 23994365
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Tanaka, K
AU  - Shimakawa, K
TI  - Light-Induced Phenomena
T2  - Amorphous Chalcogenide Semiconductors and Related Materials
PB  - Springer New York
CY  - New York, New York
SN  - 9781441995100
PY  - 2011
SP  - 141
EP  - 193
PG  - 53
DO  - 10.1007/978-1-4419-9510-0_6
UR  - https://m2.mtmt.hu/api/publication/23994362
ID  - 23994362
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - Veres, Miklós
AU  - Shimakawa, K
AU  - Kugler, Sándor
TI  - On photoinduced volume change in amorphous selenium: Quantum chemical calculation and Raman spectroscopy
JF  - JOURNAL OF APPLIED PHYSICS
J2  - J APPL PHYS
VL  - 107
PY  - 2010
IS  - 7
PG  - 5
SN  - 0021-8979
DO  - 10.1063/1.3371813
UR  - https://m2.mtmt.hu/api/publication/1413394
ID  - 1413394
AB  - Hartree-Fock ab initio Raman spectra calculations and Raman spectroscopic measurements were carried out on amorphous selenium in order to identify the characteristic vibrational mode due to sigma bonds. Variations in measured peak intensity were observed as a consequence of band gap light illumination. Based on our previous theoretical investigations we originate these intensity variations from photoinduced covalent bond breaking. © 2010 American Institute of Physics.
LA  - English
DB  - MTMT
ER  - 

TY  - CONF
AU  - Lukacs, R
AU  - Kugler, S
ED  - Schropp, REI
TI  - Photoinduced volume changes in obliquely deposited a-Se
T2  - PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 3-4
T3  - PHYSICA STATUS SOLIDI C-CURRENT TOPICS IN SOLID STATE PHYSICS, ISSN 1610-1634 ; 7.
PY  - 2010
SP  - 509
EP  - 512
PG  - 4
DO  - 10.1002/pssc.200982662
UR  - https://m2.mtmt.hu/api/publication/23994345
ID  - 23994345
LA  - English
DB  - MTMT
ER  - 

TY  - CONF
AU  - Nakagawa, N
AU  - Shimakawa, K
AU  - Itoh, T
AU  - Ikeda, Y
ED  - Schropp, REI
TI  - Dynamics of principal photoinduced effects in amorphous chalcogenides: In-situ simultaneous measurements of photodarkening, volume changes, and defect creation
T2  - PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 3-4
T3  - PHYSICA STATUS SOLIDI C-CURRENT TOPICS IN SOLID STATE PHYSICS, ISSN 1610-1634 ; 7.
PY  - 2010
SP  - 857
EP  - 860
PG  - 4
DO  - 10.1002/pssc.200982753
UR  - https://m2.mtmt.hu/api/publication/23994346
ID  - 23994346
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - Kugler, Sándor
TI  - A simple model for the estimation of charge accumulation in amorphous selenium
JF  - CHEMICAL PHYSICS LETTERS
J2  - CHEM PHYS LETT
VL  - 494
PY  - 2010
IS  - 4-6
SP  - 287
EP  - 288
PG  - 2
SN  - 0009-2614
DO  - 10.1016/j.cplett.2010.06.037
UR  - https://m2.mtmt.hu/api/publication/2654780
ID  - 2654780
AB  - Based on bond angle an elementary atomic triad model is proposed for the estimation of atomic charge accumulation inside distorted selenium chains. The calculated charges applying this model are in a good correlation with charge accumulations on selenium atoms derived by the Hartree–Fock ab initio method. Using this model the distribution of atomic charge accumulation is estimated in amorphous selenium.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Hegedus, J
AU  - Elliott, SR
TI  - Molecular dynamics study of phase change materials
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 11
PY  - 2009
IS  - 9
SP  - 1060
EP  - 1063
PG  - 4
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/26983410
ID  - 26983410
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - J., Hegedüs
AU  - Kugler, Sándor
TI  - Microscopic and macroscopic models of photo-induced volume changes in amorphous selenium
JF  - JOURNAL OF MATERIALS SCIENCE: MATERIALS IN ELECTRONICS
J2  - J MATER SCI: MATER EL
VL  - 20
PY  - 2009
IS  - 1
SP  - 33
EP  - 37
PG  - 5
SN  - 0957-4522
DO  - 10.1007/s10854-007-9427-x
UR  - https://m2.mtmt.hu/api/publication/2647080
ID  - 2647080
AB  - We have proposed a new explanation for the photo-induced volume changes in chalcogenide glasses. We have found that the covalent bond breaking occurs in these glasses with excited electrons, whereas holes contribute to the formation of inter-chain bonds. We have calculated the charge distribution in a-Se, too.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, K
AU  - Shimakawa, K
TI  - Chalcogenide glasses in Japan: A review on photoinduced phenomena
JF  - PHYSICA STATUS SOLIDI B-BASIC RESEARCH
J2  - PHYS STAT SOL B BASIC RES
VL  - 246
PY  - 2009
IS  - 8
SP  - 1744
EP  - 1757
PG  - 14
SN  - 0370-1972
DO  - 10.1002/pssb.200982002
UR  - https://m2.mtmt.hu/api/publication/23994350
ID  - 23994350
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, K
AU  - Mikami, M
TI  - Photo-induced deformations in chalcogenide glass: Atomic or optical force?
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 11
PY  - 2009
IS  - 12
SP  - 1885
EP  - 1890
PG  - 6
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23993246
ID  - 23993246
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Mori, T
AU  - Hosokawa, N
AU  - Shimakawa, K
TI  - Dynamics of photodarkening in amorphous As2Se3 films: In situ simultaneous measurements of optical transmittance and photocurrent
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 354
PY  - 2008
IS  - Breckenridge, CO
SP  - 2683
EP  - 2686
PG  - 4
SN  - 0022-3093
DO  - 10.1016/j.jnoncryso1.2007.09.089
UR  - https://m2.mtmt.hu/api/publication/23994354
ID  - 23994354
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Mori, T
AU  - Shimakawa, K
TI  - In situ simultaneous measurements of photodarkening and photoinduced defect creation in amorphous As2Se3 films
JF  - PHILOSOPHICAL MAGAZINE LETTERS
J2  - PHIL MAG LETT
VL  - 88
PY  - 2008
IS  - 6
SP  - 453
EP  - 457
PG  - 5
SN  - 0950-0839
DO  - 10.1080/09500830802175311
UR  - https://m2.mtmt.hu/api/publication/23994353
ID  - 23994353
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - M, Shiplyak
AU  - A, Kikineshi
AU  - D, Beke
AU  - K, Sangunni
TI  - Amorphous Chalcogenide Nanomultilayers for Photonics
JF  - FIZYKA I XIMIYA TVERDOHO TILA / PHYSICS AND CHEMISTRY OF THE SOLID STATE
J2  - PHYS CHEM SOLID STATE
VL  - 9
PY  - 2008
IS  - 1
SP  - 198
EP  - 201
PG  - 4
SN  - 1729-4428
UR  - https://m2.mtmt.hu/api/publication/23994339
ID  - 23994339
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - Kugler, Sándor
AU  - J., Hegedüs
TI  - Structure and photoinduced volume changes of obliquely deposited amorphous selenium
JF  - JOURNAL OF APPLIED PHYSICS
J2  - J APPL PHYS
VL  - 104
PY  - 2008
IS  - 10
SN  - 0021-8979
DO  - 10.1063/1.3021464
UR  - https://m2.mtmt.hu/api/publication/2647081
ID  - 2647081
AB  - Atomic scale computer simulations on structures and photoinduced volume changes of flatly and obliquely deposited amorphous selenium (a-Se) films have been carried out in order to understand how the properties of chalcogenide glasses are influenced by their preparation method. Obliquely deposited a-Se thin films contain more coordination defects and larger voids than the flatly deposited ones. To model the photoinduced volume changes the electron excitation and hole creation were treated independently within the framework of tight-binding formalism. Covalent and interchain bond breakings and formations were found. The obliquely deposited samples containing voids showed a wide spectrum of photoinduced structural changes in the microscopic level and volume changes in the macroscopic level.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Lukács, Rozália
AU  - S. D., Baranovskii
AU  - P., Thomas
AU  - F., Gebhard
TI  - To the kinetics of photoinduced volume changes in chalcogenide glasses
JF  - JOURNAL OF APPLIED PHYSICS
J2  - J APPL PHYS
VL  - 103
PY  - 2008
IS  - 9
SN  - 0021-8979
DO  - 10.1063/1.2906178
UR  - https://m2.mtmt.hu/api/publication/2647085
ID  - 2647085
AB  - Recent experimental data on the dynamics of photoinduced volume changes in chalcogenide glasses are analyzed within a simple phenomenological model. Both kinetics of the volume expansion under continuous irradiation and that of the relaxation after the illumination is switched off are considered. Comparison between theoretical results and experimental data provides a quantitative estimate of the local conversion rate of structural units responsible for the effect into the expanded states. Furthermore, this comparison shows that the conversion rate in a-As2Se3 is several times smaller than that in a-Se.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Sedeek, K
AU  - Adam, A
AU  - Balboul, MR
AU  - Wahab, LA
AU  - Makram, N
TI  - Structural correlations in light irradiated Ge36Se64 amorphous films - Radial distribution function study
JF  - MATERIALS RESEARCH BULLETIN
J2  - MATER RES BULL
VL  - 43
PY  - 2008
IS  - 6
SP  - 1355
EP  - 1362
PG  - 8
SN  - 0025-5408
DO  - 10.1016/j.materresbull.2007.06.056
UR  - https://m2.mtmt.hu/api/publication/23994280
ID  - 23994280
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Kökényesi, Sándor Jenő
AU  - Ivan, I
AU  - Takáts, Viktor
AU  - Pálinkás, József
AU  - Biri, Sándor
AU  - Szabó, István
TI  - Formation of surface structures on amorphous chalcogenide films
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 353
PY  - 2007
IS  - 13-15
SP  - 1470
EP  - 1473
PG  - 4
SN  - 0022-3093
DO  - 10.1016/j.jnoncrysol.2006.09.064
UR  - https://m2.mtmt.hu/api/publication/1301897
ID  - 1301897
AB  - The high spatial resolution of the localized structural 
transformations induced by different irradiations in amorphous 
chalcogenides, as well as the possibility of inducing volume 
expansion, promotes applications of these inorganic resists for 
optical recording, data storage and makes them attractive for 
nanolithography. This paper focuses on the fabrication of 
surface reliefs at submicrometer length scales in a direct, one-
step process of recording by light or ion beam on Se layers or 
Se/AS(2)S(3) nanolayered films due to induced volume expansion. 
(C) 2007 Elsevier B.V. All rights reserved.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Mauro, JC
AU  - Loucks, RJ
TI  - Selenium glass transition: A model based on the enthalpy landscape approach and nonequilibrium statistical mechanics
JF  - PHYSICAL REVIEW B
J2  - PHYS REV B
VL  - 76
PY  - 2007
IS  - 17
PG  - 16
SN  - 2469-9950
DO  - 10.1103/PhysRevB.76.174202
UR  - https://m2.mtmt.hu/api/publication/20304323
ID  - 20304323
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Popescu, M
AU  - Sava, F
AU  - Shimakawa, K
AU  - Ikeda, Y
AU  - Babin, V
TI  - Thickness oscillation effect in photoexpansion and photocontraction of amorphous selenium
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 9
PY  - 2007
IS  - 11
SP  - 3558
EP  - 3562
PG  - 5
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23994355
ID  - 23994355
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Shimakawa, K
TI  - Photon effects in chalcogenide glasses
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 9
PY  - 2007
IS  - Brasov, ROMANIA
SP  - 2973
EP  - 2978
PG  - 6
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23994356
ID  - 23994356
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Singh, J
AU  - Tanaka, K
TI  - Photo-structural changes in chalcogenide glasses during illumination
JF  - JOURNAL OF MATERIALS SCIENCE: MATERIALS IN ELECTRONICS
J2  - J MATER SCI: MATER EL
VL  - 18
PY  - 2007
SP  - S423
EP  - S428
SN  - 0957-4522
DO  - 10.1007/s10854-007-9226-4
UR  - https://m2.mtmt.hu/api/publication/23994334
ID  - 23994334
N1  - SU: Suppl. 1
Megjegyzés-23994377
SU: Suppl. 1
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Singh, J
TI  - Study of photoinduced changes due to illumination in amorphous chalcogenides
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 9
PY  - 2007
IS  - 1
SP  - 50
EP  - 55
PG  - 6
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23994331
ID  - 23994331
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Kugler, Sándor
AU  - J, Hegedus
AU  - Koháry, Krisztián
TI  - Modelling of photoinduced changes in chalcogenide glasses: a-Se and a-As2Se3
JF  - JOURNAL OF MATERIALS SCIENCE: MATERIALS IN ELECTRONICS
J2  - J MATER SCI: MATER EL
VL  - 18
PY  - 2007
IS  - S1
SP  - S163
EP  - S167
PG  - 5
SN  - 0957-4522
DO  - 10.1007/s10854-007-9188-6
UR  - https://m2.mtmt.hu/api/publication/2654634
ID  - 2654634
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Kugler, Sándor
AU  - J, Hegedüs
AU  - Lukács, Rozália
TI  - On photoinduced volume change in chalcogenide glasses
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 9
PY  - 2007
IS  - 1
SP  - 37
EP  - 42
PG  - 6
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/2647079
ID  - 2647079
AB  - We proposed a new explanation of photo-induced volume changes in chalcogenide glasses. In our computer simulation we observed covalent bond breaking in the network caused by excited electrons, whereas holes contribute to the formation of inter-chain bonds. The interplay between photo-induced bond breaking and inter-chain bond formation leads to either volume expansion or shrinkage. In the non-ideal case, only a part of the processes is reversible and the total expansion includes the reversible and irreversible changes. Finally we investigate the structural properties of flatly and obliquely deposited chalcogenide thin films. Different void sizes can cause different photoinduced volume changes.
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Yang, KF
AU  - Cui, QL
AU  - Hou, YY
AU  - Liu, BB
AU  - Zhou, Q
AU  - Hu, JZ
AU  - Mao, HK
AU  - Zou, G
TI  - Pressure-induced crystallization and phase transformation of amorphous selenium: Raman spectroscopy and x-ray diffraction studies
JF  - JOURNAL OF PHYSICS-CONDENSED MATTER
J2  - J PHYS CONDENS MAT
VL  - 19
PY  - 2007
IS  - 42
PG  - 10
SN  - 0953-8984
DO  - 10.1088/0953-8984/19/42/425220
UR  - https://m2.mtmt.hu/api/publication/20304322
ID  - 20304322
LA  - English
DB  - MTMT
ER  - 

TY  - CHAP
AU  - Jai, Singh
ED  - Jai, Singh
TI  - Photoluminescence and Photoinduced Changes in Noncrystalline Condensed Matter
T2  - Optical Properties of Condensed Matter and Applications
PB  - John Wiley & Sons
PB  - John Wiley & Sons
PY  - 2006
SP  - 107
EP  - 142
PG  - 36
UR  - https://m2.mtmt.hu/api/publication/23994340
ID  - 23994340
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - J, Hegedus
AU  - Koháry, Krisztián
AU  - Kugler, Sándor
TI  - Universal feature of photo-inducedvolume changes in chalcogenide glasses
JF  - JOURNAL OF NON-CRYSTALLINE SOLIDS
J2  - J NON-CRYST SOLIDS
VL  - 352
PY  - 2006
IS  - 9-20
SP  - 1587
EP  - 1590
PG  - 4
SN  - 0022-3093
DO  - 10.1016/j.jnoncrysol.2005.10.037
UR  - https://m2.mtmt.hu/api/publication/2648964
ID  - 2648964
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Shimakawa, K
AU  - Ikeda, Y
TI  - Transient responses of photodarkening and photoinduced volume change in amorphous chalcogenide films
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 8
PY  - 2006
IS  - 6
SP  - 2097
EP  - 2100
PG  - 4
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23994387
ID  - 23994387
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Sun, Q
AU  - Selloni, A
AU  - Myers, TH
AU  - Doolittle, WA
TI  - Oxygen adsorption and incorporation at irradiated GaN(0001) and GaN(0001) surfaces: First-principles density-functional calculations
JF  - PHYSICAL REVIEW B
J2  - PHYS REV B
VL  - 74
PY  - 2006
IS  - 19
SN  - 2469-9950
DO  - 10.1103/PhysRevB.74.195317
UR  - https://m2.mtmt.hu/api/publication/23994336
ID  - 23994336
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Sun, QA
AU  - Selloni, A
AU  - Myers, TH
AU  - Doolittle, WA
TI  - Energetics of Mg incorporation at GaN(0001) and GaN(0001) surfaces
JF  - PHYSICAL REVIEW B
J2  - PHYS REV B
VL  - 73
PY  - 2006
IS  - 15
SN  - 2469-9950
DO  - 10.1103/PhysRevB.73.155337
UR  - https://m2.mtmt.hu/api/publication/23994338
ID  - 23994338
LA  - English
DB  - MTMT
ER  - 

TY  - JOUR
AU  - Tanaka, K
AU  - Saitoh, A
AU  - Terakado, N
TI  - Giant photo-expansion in chalcogenide glass
JF  - JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS
J2  - J OPTOELECTRON ADV M
VL  - 8
PY  - 2006
IS  - 6
SP  - 2058
EP  - 2065
PG  - 8
SN  - 1454-4164
UR  - https://m2.mtmt.hu/api/publication/23994337
ID  - 23994337
LA  - English
DB  - MTMT
ER  -