CePtAl$_3$中的非公度反铁磁序
强关联电子
2023-02-01 v3
摘要
我们报道了单晶CePtAl的中子衍射研究，并辅以外加磁场下的比热测量。在=3 K以下，CePtAl形成调制矢量=的单一种非公度反铁磁序。以上的残余磁散射强度以及处比热反常的展宽，可一致地用具有标准差的过渡温度高斯分布来描述。的分布可归因于Pt和Al位点之间占据与位置无序的观察。磁场下的测量揭示了当磁场沿方向施加时畴群的不寻常变化，这与约2.5 T时从螺旋磁序到振幅调制磁序的转变为一致。
引用
@article{arxiv.2106.08194,
title = {Incommensurate antiferromagnetic order in CePtAl$_3$},
author = {M. Stekiel and P. Cermak and C. Franz and W. Simeth and S. Weber and E. Ressouche and W. Schmidt and K. Nemkovski and H. Deng and A. Bauer and C. Pfleiderer and A. Schneidewind},
journal= {arXiv preprint arXiv:2106.08194},
year = {2023}
}
备注
v1: Draft on CePtAl3 and CePdAl3. Later split into separate papers regarding each compound separately. v2: Before submission. Major reworks from v1. v3: Final. After peer review and proofs