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最近,中科院物理研究所/北京凝聚态物理国家实验室(筹)极端条件物理重点实验室王楠林研究组的石友国副研究员与日本国立材料研究所(NIMS)的郭艳峰博士、Kazunari Yamaura研究员等合作,通过高压(17 GPa)合成法,成功制备出5d4BaOsO3立方钙钛矿结构,与立方BaFeO3及BaRuO3相同,是理想的钙钛矿结构。3d4的BaFeO3具有高自旋铁磁基态,4d4的BaRuO3具有低自旋铁磁基态,而BaOsO3表现出低自旋的顺磁性,在60K表现出金属-
Recently, Associate Researcher Shi Youguo of CAS Institute of Physics / Beijing Condensed Matter Physics Laboratory (Preparatory) Key Laboratory of Extreme Condition Physics and Dr. Guo Yanfeng and Kazunari Yamaura Researchers from Japan National Institute of Material Research (NIMS) The 5d4BaOsO3 cubic perovskite structure was successfully prepared by high-pressure (17 GPa) synthesis. It is the ideal perovskite structure as cubic BaFeO3 and BaRuO3. BaFeO3 of 3d4 has a high spin-ferromagnetic ground state, 4d4 of BaRuO3 has a low spin-ferromagnetic ground state, and BaOsO3 exhibits a low-spin paramagnetic and exhibits a metal-