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Titolo:
APPEARANCE AND REORIENTATION OF PHOTOINDUCED ANISOTROPY IN CHALCOGENIDE GLASSY FILMS
Autore:
LYUBIN V; KLEBANOV M; TIKHOMIROV V; ADRIAENSSENS G;
Indirizzi:
BEN GURION UNIV NEGEV,DEPT PHYS IL-84105 BEER SHEVA ISRAEL KATHOLIEKE UNIV LEUVEN,INST SEMICOND PHYS B-3001 HEVERLEE BELGIUM
Titolo Testata:
Journal of non-crystalline solids
, volume: 200, anno: 1996,
parte:, 2
pagine: 719 - 722
SICI:
0022-3093(1996)200:<719:AAROPA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
8
Recensione:
Indirizzi per estratti:
Citazione:
V. Lyubin et al., "APPEARANCE AND REORIENTATION OF PHOTOINDUCED ANISOTROPY IN CHALCOGENIDE GLASSY FILMS", Journal of non-crystalline solids, 200, 1996, pp. 719-722

Abstract

The kinetics of appearance and reorientation of photoinduced dichroism (a manifestation of photoinduced anisotropy) is studied in chalcogenide glassy films by means of the polarization modulation technique. Two distinct processes are identified: creation of photoinduced defects and photo-stimulated orientation of defects both native and photoinduced. Of these processes, the first one can be carried out by both unpolarized and polarized radiation and has much larger time constant than the second. The annealing temperatures of the two effects are also different. In all of materials studied (AsSe, Ge2Pb1S4, Se) the effect ofphotoinduced anisotropy was shown to be a one-photon process. Unusualbehavior of dichroism in partially crystallized Se films is revealed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 10:18:49