MnCr2S4中元素特异的场致自旋重取向与反常四临界点
强关联电子
2021-02-17 v3
摘要
亚铁磁尖晶石MnCr2S4由于键挫败和强自旋-晶格耦合而展现出多种磁场诱导的相变。然而,高磁场下各场致相中位点分辨的磁性质仍不清楚。我们高达40 T的软X射线磁圆二色性研究直接证明了场致相中元素选择性的磁矩重取向。从磁热效应测量提取的熵变进一步支持了复杂的磁结构。此外,热力学实验揭示了由于强自旋-晶格耦合,MnCr2S4的H-T相图中存在一个反常的四临界点。
引用
@article{arxiv.2008.13285,
title = {Element-specific field-induced spin reorientation and an unusual tetracritical point in MnCr2S4},
author = {Sh. Yamamoto and H. Suwa and T. Kihara and T. Nomura and Y. Kotani and T. Nakamura and Y. Skourski and S. Zherlitsyn and L. Prodan and V. Tsurkan and H. Nojiri and A. Loidl and J. Wosnitza},
journal= {arXiv preprint arXiv:2008.13285},
year = {2021}
}
备注
18 pages, 8 figures