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Titolo:
OPTICAL-PROPERTIES OF CUBIC BORON-NITRIDE
Autore:
EREMETS MI; GAUTHIER M; POLIAN A; CHERVIN JC; BESSON JM; DUBITSKII GA; SEMENOVA YY;
Indirizzi:
UNIV PARIS 06,CNRS,URA 782,BOITE POSTALE 77,4 PL JUSSIEU F-75252 PARIS 05 FRANCE RUSSIAN ACAD SCI,INST HIGH PRESSURE PHYS TROITSK 142092 RUSSIA
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 12, volume: 52, anno: 1995,
pagine: 8854 - 8863
SICI:
0163-1829(1995)52:12<8854:OOCB>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAMAN-SCATTERING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
M.I. Eremets et al., "OPTICAL-PROPERTIES OF CUBIC BORON-NITRIDE", Physical review. B, Condensed matter, 52(12), 1995, pp. 8854-8863

Abstract

Optical properties of cubic boron nitride were studied in the spectral range from 400 to 50 000 cm(-1) Raman-scattering, absorption, and reflection spectra were measured. The regions of the one-phonon and multiphonon absorption were studied in detail and the energies of the phonons were determined. The dispersion of the refractive index in the range 400-28 000 cm(-1) was obtained from measurements of interference spectra on plateletlike samples. A model including one-phonon and Sellmeier electron oscillators was used to fit the dispersion of the refractive index. Both the static and high-frequency dielectric constants epsilon(0) and epsilon(infinity), were obtained and found to be 6.80 and 4.46, respectively. The parameters of the phonon oscillators were usedfor simulation of the interference spectra in transmission and reflection. Techniques for preparing free-standing samples of dimensions of the order of 150X150 mu m and of thickness down to 0.2 mu m are described as well as methods to measure their thickness.

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Documento generato il 06/04/20 alle ore 01:41:29