Effect of pressure on Raman spectra of metastable phases of Si and Ge

H. Olijnyk; A. P. Jephcoat

doi:10.1002/(SICI)1521-3951(199901)211:1<413::AID-PSSB413>3.0.CO;2-B

Effect of pressure on Raman spectra of metastable phases of Si and Ge

H. Olijnyk, A. P. Jephcoat

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

Raman scattering of metastable phases of Si and Ge was performed in the pressure range 0 to 10 GPa. The results for Si are discussed in terms of the previously proposed BC8 and R8 structures. The first Raman spectrum of ST12-Ge is also reported. We suggest that photochemically-induced changes in ST12-Ge can explain the discrepancies among previous studies on metastable Ge phases.

Original language	English
Pages (from-to)	413-420
Number of pages	8
Journal	Physica Status Solidi (B) Basic Research
Volume	211
Issue number	1
DOIs	https://doi.org/10.1002/(SICI)1521-3951(199901)211:1<413::AID-PSSB413>3.0.CO;2-B
Publication status	Published - Jan 1999

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/(SICI)1521-3951(199901)211:1<413::AID-PSSB413>3.0.CO;2-B

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AB - Raman scattering of metastable phases of Si and Ge was performed in the pressure range 0 to 10 GPa. The results for Si are discussed in terms of the previously proposed BC8 and R8 structures. The first Raman spectrum of ST12-Ge is also reported. We suggest that photochemically-induced changes in ST12-Ge can explain the discrepancies among previous studies on metastable Ge phases.

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Effect of pressure on Raman spectra of metastable phases of Si and Ge

Abstract

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