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Anomalies in the Raman scattering spectra of piezoelectric BaZnF4 crystals

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A Raman scattering investigation of the piezoelectric compound BaZnF4 has been performed in a wide temperature range. An accurate study of the characteristics, i.e. peak shifts, integrated intensities and half-widths, reveals anomalous changes in several spectral lines. The results are discussed on the basis of a breakdown of the q=0 selection rules due to either a phase transition or structural disorder.

OriginalsprogEngelsk
Artikelnummer019
TidsskriftJournal of Physics: Condensed Matter
Vol/bind6
Udgave nummer47
Sider (fra-til)10365-10376
Antal sider12
ISSN0953-8984
DOI
StatusUdgivet - 1 dec. 1994
Eksternt udgivetJa

ID: 218270367