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  • 葛敏,左鸣,谭舜,张裕恒.在9 T磁场中合成Sr2IrO4样品的物理性质研究[J].低温物理学报,2019,(3):153-158.    [点击复制]
  • GEMin,ZUO Ming,TANShun,ZHANGYuheng.Behaviors of Sr2IrO4 Sample Synthesized under the Magnetic Field with 9 T[J].LOW TEMPERATURE PHYSICAL LETTERS,2019,(3):153-158.   [点击复制]
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在9 T磁场中合成Sr2IrO4样品的物理性质研究
葛敏, 左鸣, 谭舜, 张裕恒
0
(中国科学技术大学合肥微尺度物质科学国家研究中心)
摘要:
我们在9T的磁场下成功合成了Sr2IrO4 样品,并且研究了它的结构和磁性。尽管样品的晶体结构与在零场下合成的样品相比没有改变,高分辨透射电镜像显示出电子云的分布发生了变化。在暗区,态密度增强引起了样品的磁性发生改变。我们提出9T的强磁场有利于生长出更纯相的样品。
关键词:  Sr2IrO4, HRTEM, 磁性
DOI:10.13380/j.ltpl.02019.03.001
基金项目:
Behaviors of Sr2IrO4 Sample Synthesized under the Magnetic Field with 9 T
GEMin, ZUO Ming, TANShun, ZHANGYuheng
(Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China)
Abstract:
Sr2IrO4 has been successfully synthesized under the magnetic field with 9 T, and the structural and magnetic properties were characterized. Although its structure and crystal lattice are the same with the sample synthesized under 0 T, HRTEM reveals that the distribution of electron cloud is changed. The increased density of states in the dark regions leads to the differences in magnetism from the sample synthesized under 0 T. Our finding indicates that the magnetic field of 9 T could be more favorable to the growth of pure phase.
Key words:  Sr2IrO4, HRTEM, magnetism

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