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在MnBiBi中混合的不可移动的Mn-Bi位点

Xi Wu1,2, Chao Ruan1, Peizhe Tang3,4

  • 1Shenzhen Geim Graphene Center and Institute of Materials Research, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, People's Republic of China.

Nano letters
|June 5, 2023
PubMed
概括

抗铁磁拓绝缘体MnBi2Te4表现出像MnBi和BiMn这样的缺陷,阻碍了大间隙表面状态. 通过回火完全消除缺陷是很困难的,影响拓性质.

关键词:
与迪拉克点相关的波段在 MnBi2Te4 的基础上.反现场缺陷的反现场缺陷层间的交换是层间的交换.运动屏障是运动屏障.

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相关概念视频

¹H NMR: Complex Splitting01:13

¹H NMR: Complex Splitting

A proton M that is coupled to a proton X results in doublet signals for M. However, NMR-active nuclei can be simultaneously coupled to more than one nonequivalent nucleus. When M is coupled to a second proton A, such as in styrene oxide, each peak in the doublet is split into another doublet.
Splitting diagrams or splitting tree diagrams are routinely used to depict such complex couplings. While drawing splitting diagrams, the splitting with the larger coupling constant is usually applied first.