High pressure raman scattering in Pb5Ge3O11 |
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| Authors: | R K Soni K P Jain |
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| Institution: | (1) Laser Technology Research Programme, Indian Institute of Technology, 110 016 New Delhi, India |
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| Abstract: | The pressure dependence of various phonon modes has been investigated through the ferro-paraelectric phase transition. Most
mode frequencies harden before levelling off above the phase transition. Mode Grüneisen parameters are estimated from the
pressure dependence of phonon frequencies. |
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| Keywords: | Raman scattering high-pressure ferroelectric lead germanate |
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