Surface-related phonon mode in porous GaP
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TIGINYANU, Ion, URSAKI, Veaceslav, KARAVANSKII, Vladimir, SOKOLOV, Viatcheslav, RAPTIS, Yiannis S., ANASTASSAKIS, Evangelos M.. Surface-related phonon mode in porous GaP. In: Solid State Communications, 1996, vol. 97, pp. 675-678. ISSN 0038-1098. DOI: https://doi.org/10.1016/0038-1098(95)00677-X
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Solid State Communications
Volumul 97 / 1996 / ISSN 0038-1098 /ISSNe 1879-2766

Surface-related phonon mode in porous GaP

DOI:https://doi.org/10.1016/0038-1098(95)00677-X

Pag. 675-678

Tiginyanu Ion1, Ursaki Veaceslav1, Karavanskii Vladimir2, Sokolov Viatcheslav2, Raptis Yiannis S.3, Anastassakis Evangelos M.3
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 Prokhorov General Physics Institute RAS,
3 National Technical University of Athens
 
 
Disponibil în IBN: 9 noiembrie 2023


Rezumat

Porous GaP layers prepared by electrochemical anodization of (100) and (111) A-oriented n-GaP crystalline substrates in HF solution have been studied by Raman spectroscopy. A surface vibrational mode at 397 cm-1 was observed in porous GaP. The process of anodization results in downward shifts of the TO and LO phonon frequencies, which are attributed to phonon confinement in crystalline GaP particles of nanometer size.

Cuvinte-cheie
A. Nanostructures, A. Semiconductors, D. Phonons, E. inelastic light scattering