Raman spectra of beryllium to 23 GPa

H. Olijnyk; A. P. Jephcoat

doi:10.1088/0953-8984/12/41/317

Raman spectra of beryllium to 23 GPa

H. Olijnyk, A. P. Jephcoat

Institute for Planetary Materials

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

19 Citations (Scopus)

Abstract

Raman spectra of Be were studied at room temperature at pressures up to 23 GPa. The transverse-optical (TO) zone-centre phonon mode of hcp Be could be observed to maximum pressure. Neither new modes nor anomalies in the pressure shift were observed in the pressure range of 8.6-14.5 GPa where a phase transition has been reported. The TO mode frequency and its pressure dependence are discussed in terms of the elastic properties of Be.

Original language	English
Pages (from-to)	8913-8918
Number of pages	6
Journal	Journal of Physics Condensed Matter
Volume	12
Issue number	41
DOIs	https://doi.org/10.1088/0953-8984/12/41/317
Publication status	Published - Oct 16 2000

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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abstract = "Raman spectra of Be were studied at room temperature at pressures up to 23 GPa. The transverse-optical (TO) zone-centre phonon mode of hcp Be could be observed to maximum pressure. Neither new modes nor anomalies in the pressure shift were observed in the pressure range of 8.6-14.5 GPa where a phase transition has been reported. The TO mode frequency and its pressure dependence are discussed in terms of the elastic properties of Be.",

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AB - Raman spectra of Be were studied at room temperature at pressures up to 23 GPa. The transverse-optical (TO) zone-centre phonon mode of hcp Be could be observed to maximum pressure. Neither new modes nor anomalies in the pressure shift were observed in the pressure range of 8.6-14.5 GPa where a phase transition has been reported. The TO mode frequency and its pressure dependence are discussed in terms of the elastic properties of Be.

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