VIBRATIONAL STUDIES OF AMORPHOUS AND CRYSTALLINE SbSBr
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Date
1979
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Ohio State University
Abstract
The $A_{v}B_{vi}C_{vii}$ family of ferroelectric materials includes the highly colored species SbSBr and SbSI which may be prepared in both crystalline and amorphous phases. A vibrational study of crystalline and glassy SbSBr has been attempted utilizing both Raman and infrared spectroscopy. The far-ir spectrum of the paraelectric phase of crystalline SbSBr has been recorded as well as the room temperature spectrum of the glass. Furthermore, evidence which strongly suggests a thermochromic phase change at $\sim 90^{\circ} C$ has been gathered from Raman spectra of crystalline SbSBr over the temperature range of $20^{\circ} - 160^{\circ} C$.
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