Browsing Articole ştiinţifice by Author "URSAKI, Veacheslav V."

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Phase Transitions Induced by Hydrostatic Pressure in II-III2-VI4 Compounds

URSAKI, Veacheslav V.; BURLAKOV, Igor I.; TIGINYANU, Ivan M.; RAPTIS, Yannis S.; ANASTASSAKIS, Evangelos; ANEDDA, Alberto; CORPINO, Riccardo (IOP Publishing, 2000)

II-III2-VI4 compounds with different crystal structures have been studied by Raman spectroscopy (RS) under hydrostatic pressure up to 30 GPa. The phase transition characteristics induced by hydrostatic pressure i.e. the ...
Photoluminescence Study of Nitrogen-Related States in ZnSe

IVANOVA, Galina N.; NEDEOGLO, Dmitrii D.; NEDEOGLO, Natalia D.; RUSU, Emil V.; SIRKELI, Vadim P.; STRATAN, Gheorghe I.; URSAKI, Veacheslav V. (AIP Publishing LLC, 2007)

Photoluminescence of N-doped ZnSe crystals is studied at temperatures between 10 and 300 K. Doping with N leads to the formation of simple N-based donor and acceptor defects, as well as associative N-based acceptors. The ...
Pressure Induced Phase Transitions in Spinel and Wurtzite Phases of ZnAl2S4Compound

URSAKI, Veacheslav V.; BURLAKOV, Igor I.; TIGINYANU, Ivan M.; RAPTIS, Yannis S.; ANASTASSAKIS, Evangelos; AKSENOV, Igor; SATO, Katsuaki (IOP Publishing, 1998)

ZnAl2S4 single crystals with spinel (α-phase) and wurtzite (w-phase) structures have been studied by Raman spectroscopy under hydrostatic pressures of up to 300 kbar. Significant changes in the phonon spectrum of the α-phase ...

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