Unique hyper-kagome atomic order in the noncentrosymmetric structure of Na3Ir3O8
- Авторы: Talanov M.V.1, Shirokov V.B.2,3, Talanov V.M.3
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Учреждения:
- Research Institute of Physics
- Southern Scientific Center
- Platov State Polytechnic University
- Выпуск: Том 52, № 8 (2016)
- Страницы: 815-823
- Раздел: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/157846
- DOI: https://doi.org/10.1134/S0020168516080161
- ID: 157846
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Аннотация
The formation of a unique hyper-kagome atomic order in the structure of the ordered spinel phase Na3Ir3O8 has been analyzed in terms of the Landau theory of phase transitions. We have identified a critical six-component order parameter generating a phase transformation of the spinel parent phase to ordered P4132 (P4332) spinel-like enantiomorphs and examined the structural mechanism behind the development of hyper-kagome order and the detailed crystal chemistry of Na3Ir3O8.
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Об авторах
M. Talanov
Research Institute of Physics
Автор, ответственный за переписку.
Email: mvtalanov@sfedu.ru
Россия, pr. Stachki 194, Rostov-on-Don, 344090
V. Shirokov
Southern Scientific Center; Platov State Polytechnic University
Email: mvtalanov@sfedu.ru
Россия, pr. Chekhova 41, Rostov-on-Don, 344006; ul. Prosveshcheniya 132, Novocherkassk, Rostov oblast, 346428
V. Talanov
Platov State Polytechnic University
Email: mvtalanov@sfedu.ru
Россия, ul. Prosveshcheniya 132, Novocherkassk, Rostov oblast, 346428
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