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Solid State Communications
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Raman scattering and phase transitions in stressed SrTiO3

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Abstract

Application of a [111] uniaxial stress to the low-temperature phase of strontium titanate is found to shift the frequency of the lowest two Raman-active modes. Comparison with a phenomenological theory shows that the results support other evidence for a stress-induced tetragonal-to-trigonal phase transition. Application of stress in the [110] direction produced no evidence of a phase change. © 1971.

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Solid State Communications

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