The brittle-to-ductile transition of As-S (Se) films under the action of light

TRUNOV, M. L ; BILANICH, Vs

In: Proceedings of the 8th European Vacuum Congress Berlin 2003, 23-26 June 2003, featuring the 8th European Vacuum Conference and 2nd Annual Conference of the German Vacuum SocietyThin solid films 459(1-2):228-232; Jg. 459 (2004) 1-2, S. 228-232

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The brittle-to-ductile transition observed in As-S(Se) films under the action of light has been investigated. In this the bandgap light incident on the chalcogenide film causes a reversible transition from brittle to ductile state (the photoplastic effect) produced by successive on-off cycles of band-gap illumination [M.L. Trunov, A.G. Anchugin, Sov. Tech. Phys. Lett. 18 (1992) 37, and references therein; M.L. Trunov, A.G. Anchugin, Sov. Tech. Phys. Lett. 18 (1992) 78; M.L. Trunov, A.G. Anchugin, N.D. Savchenko, V.M. Rubish, Proc. SPIE 2113 (1994) 183]. A macroscopic model is proposed to explain this effect in terms of photosoftening phenomena of glasses structure, which causes an essential decrease in glasses viscosity to the level close to 1012-1013 P. This effect is electronic, not thermal in origin and consists of two parts, namely negative (a sharp decrease in viscosity to 1×1012 P) and positive (its increase to 1013-1014 P) stages. These parts are temporary and exist under irradiation only. We assume that the first part is general and causes all photostructural and related phenomena in chalcogenide glasses.

Titel:	The brittle-to-ductile transition of As-S (Se) films under the action of light
Autor/in / Beteiligte Person:	TRUNOV, M. L ; BILANICH, Vs
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Quelle:	Proceedings of the 8th European Vacuum Congress Berlin 2003, 23-26 June 2003, featuring the 8th European Vacuum Conference and 2nd Annual Conference of the German Vacuum SocietyThin solid films 459(1-2):228-232; Jg. 459 (2004) 1-2, S. 228-232
Veröffentlichung:	Lausanne: Elsevier Science, 2004
Medientyp:	Konferenz
Umfang:	print, 16 ref
ISSN:	0040-6090 (print)
Schlagwort:	Crystallography Cristallographie cristallogenèse Electronics Electronique Metallurgy, welding Métallurgie, soudage Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure, proprietes mecaniques et thermiques Condensed matter: structure, mechanical and thermal properties Propriétés mécaniques et acoustiques de l'état condensé Mechanical and acoustical properties of condensed matter Propriétés mécaniques des solides Mechanical properties of solids Déformation et plasticité (incluant limite élastique, ductilité et superplasticité) Deformation and plasticity (including yield, ductility, and superplasticity) Composé minéral Inorganic compounds Arsenic sulfure Arsenic sulfides Arsenic séléniure Arsenic selenides Cinétique Kinetics Composé binaire Binary compounds Contrainte thermique Thermal stresses Couche mince Thin films Effet physique rayonnement Physical radiation effects Etude expérimentale Experimental study Evaporation Illumination Floodlighting Indentation Relaxation contrainte Stress relaxation Transition fragile ductile Brittle-ductile transitions Viscosité Viscosity As S As Se AsS AsSe Effet photoplastique Photoplastic effect Microindentation Substrat SiO2 Substrat mica Substrat verre 42.70.Gi Chalcogenide glass 62.20.Fe 62.20.Qp 62.40.+i 68.80.Bs Photo-induced phenomena
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Conference Paper File Description: text Language: English Author Affiliations: Department of Engineering, Uzhgorod National University, 13, Kapitulna str., Uzhgorod 88000, Ukraine ; Department of Physics, Uzhgorod National University, 13, Kapitulna str., Uzhgorod 88000, Ukraine Rights: Copyright 2004 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics of condensed state: structure, mechanical and thermal properties

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