A phenomenological model of phase transitions in lawsonite |
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| Authors: | S. V. Pavlov |
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| Affiliation: | 16477. Faculty of Physics, Moscow State University, Moscow, 119991, Russia
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| Abstract: | A phenomenological model that describes the sequence of phase transitions in lawsonite is considered. A phase diagram of the model is constructed and theoretical temperature dependences of order parameters and inverse permittivity in low-symmetry phases are calculated. The comparison of theoretical curves with experimental results showed satisfactory qualitative agreement. |
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