Effect of Pressure on Raman Spectra of Metastable Phases of Si and Ge

Effect of Pressure on Raman Spectra of Metastable Phases of Si and Ge

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 ST1...

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Bibliographic Details
Published in:physica status solidi (b) Vol. 211; no. 1; pp. 413 - 420
Main Authors: Olijnyk, H., Jephcoat, A. P.
Format: Journal Article
Language:English
Published: Berlin WILEY-VCH Verlag 01-01-1999
WILEY‐VCH Verlag
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Summary: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.
Bibliography:ark:/67375/WNG-9RR3G9QL-D
ArticleID:PSSB413
istex:10488639C898B2F83FBB831B185AFD8F7E3FC121
ISSN:0370-1972
1521-3951
DOI:10.1002/(SICI)1521-3951(199901)211:1<413::AID-PSSB413>3.0.CO;2-B