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Higher-order Landau phenomenological models for perovskite crystals based on the theory of singularities: a new phenomenology of BaTiO3 |
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| Authors: | Ilhwan Kim Kumok Jang Ilhun Kim |
| Affiliation: | 1. Department of Physics, Kim Hyong Jik Normal University, Pyongyang, Democratic People's Republic of Korea;2. College of Science, Northeastern University, Shenyang, People's Republic of China |
| Abstract: | |
| Keywords: | BaTiO3 crystal phase transition structural stability Landau phenomenological theory the theory of singularities |