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殳蕾, 倪晓杰, 潘子文. MuSR技术在凝聚态物理中的应用[J]. 物理, 2021, 50(4): 257-265. DOI: 10.7693/wl20210408
引用本文: 殳蕾, 倪晓杰, 潘子文. MuSR技术在凝聚态物理中的应用[J]. 物理, 2021, 50(4): 257-265. DOI: 10.7693/wl20210408
SHU Lei, NI Xiao-Jie, PAN Zi-Wen. Application of muon spin relaxation/rotation in condensed matter physics[J]. PHYSICS, 2021, 50(4): 257-265. DOI: 10.7693/wl20210408
Citation: SHU Lei, NI Xiao-Jie, PAN Zi-Wen. Application of muon spin relaxation/rotation in condensed matter physics[J]. PHYSICS, 2021, 50(4): 257-265. DOI: 10.7693/wl20210408

MuSR技术在凝聚态物理中的应用

Application of muon spin relaxation/rotation in condensed matter physics

  • 摘要: 缪子自旋弛豫/旋转(MuSR)实验技术利用缪子的自旋,在原子尺度上研究样品内部磁场的静态分布和动态涨落。文章介绍MuSR实验技术在凝聚态物理中的应用,阐述了MuSR在磁性、超导材料中发现的独特信息,包括磁有序、内部磁场分布、具有特定频率范围的自旋涨落,以及在半导体材料中获得杂质的电子状态和位置。这些应用表明 MuSR 对于理解关联电子材料复杂的物理现象及其物理机制具有重要意义。

     

    Abstract: From the spin relaxation/rotation of 100% spin- polarized muons we can obtain the spatial distribution and dynamical fluctuations of internal magnetic fields on the atomic scale. Here we introduce various applications of the technique in condensed matter physics, including how it can be used to obtain unique information about a wide range of phenomena in magnetism and superconductivity, such as magnetic ordering, internal field distribution, spin dynamics with a unique characteristic time window, and how to obtain the electronic configurations in semiconductors. These applications demonstrate that muon spin relaxation/rotation technique is important to comprehend the novel properties and the complex physics of correlated electron systems.

     

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