Author: | Gupta, H C; Ashdhir, P |
Advisor: | Advisor |
Date: | 1999
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Publisher: | |
Citation: | Journal of
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Series/Report no.: |
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Item Type: | Article
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Keywords: | phonons; YAlO3; perovskite phase; orthorhombic phase; Raman frequencies; infrared frequencies |
Abstract: | A short range force constant model has been applied to investigate the phonons in YAlO3 perovskite in the orthorhombic phase. The calculations with six stretching and one bending force constants provide a satisfactory agreement for the available Raman frequencies. Based on the present calculations, the infrared frequencies have been assigned for the first time. |