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Browsing Articole ştiinţifice by Author "KARAVANSKII, V. A."

Browsing Articole ştiinţifice by Author "KARAVANSKII, V. A."

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  • Observation of surface phonon mode in porous GaP 
    KARAVANSKII, V. A.; ANASTASSAKIS, Evangelos; RAPTIS, Y. S.; SOKOLOV, V. N.; TIGINYANU, I. M.; URSAKI, V. V. (Society of Photo-Optical Instrumentation Engineers, SPIE, 1996)
    Simple preparation technique of nanoporous semiconductors by anodization has opened new ways to form and investigate quantum and surface effects in nanosized objects. It has also allowed technologists to extend the range ...
  • Surface-related phonon mode in porous GaP 
    TIGINYANU, I. M.; URSAKI, V. V.; KARAVANSKII, V. A.; SOKOLOV, V. N.; RAPTIS, Y. S.; ANASTASSAKIS, E. (ELSEVIER, 1996)
    Porous GaP layers prepared by electrochemical anodization of (1 0 0) and (1 1 1) A-oriented n-GaP crystalline substrates in HF solution have been studied by Raman spectroscopy. A surface vibrational mode at 397 cm−1 was ...
  • Time resolved blue and ultraviolet photoluminescence in porous GaP 
    ANEDDA, A.; SERPI, A.; KARAVANSKII, V. A.; TIGINYANU, I. M.; ICHIZLI, V. M. (American Institute of Physics, 1995)
    Porous GaP layers prepared by electrochemical anodization of (100)-oriented bulk material was found to exhibit blue and ultraviolet photoluminescence when excited by a KrF excimer laser. The energy position of the UV ...

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