What is the cause of Raman band in low wavenumber region (<200cm-1) for SrSiO3?

30 November 2017 0 9K Report

SrSiO3 is a crystalline phase with space group 15, which is insulating in nature. Similar band for glassy phases are reported in literature, however, exact reason for these bands is not discussed. The Raman band for SrSiO3 at room temperature is attached along with relevant literature.

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