LiNbO₃-Type Polar Antiferromagnet InVO₃ Synthesized under High-Pressure Conditions

Zhenhong Tan, Joey A. Lussier, Takumi Yamada,Yuanhui Xu,Takashi Saito, Masato Goto,Yoshihisa Kosugi, Dmitry Vrublevskiy,Yoshihiko Kanemitsu,Mario Bieringer, Yuichi Shimakawa

Angewandte Chemie (International ed. in English)（2022）

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摘要

The ambient pressure cation disordered InVO3 bixbyite has been predicted to form a GdFeO3-type perovskite phase under high pressure and high temperature. Contrary to the expectation, InVO3 was found to crystallize in the polar LiNbO3-type structure with a calculated spontaneous polarization as large as 74 mu C cm(-2). Antiferromagnetic coupling of V3+ magnetic moments and a cooperative magnetic ground state below about 10 K coupled with a polar structure suggest an intriguing ground state of the novel LiNbO3-type high-pressure InVO3 structure.

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关键词

High-Pressure Synthesis,LiNbO3-Type Structure,Multiple Orders,Phase Transition,Spontaneous Polarization

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LiNbO3-Type Polar Antiferromagnet InVO3 Synthesized under High-Pressure Conditions

LiNbO₃-Type Polar Antiferromagnet InVO₃ Synthesized under High-Pressure Conditions