非正交反磁性有序态下电流诱导自旋扭矩的开启：钛钼酸 PdCrO2
材料科学
2025-10-17 v1
摘要
我们报告了对钛钼酸 PdCrO2 中感应电流产生的自旋扭矩进行的测量，扭矩作用于相邻的铁镍层。随着温度降低穿过 Neel 温度，PdCrO2 向从平坦相转向非正交反磁性态，导致自旋扭矩显著增强。这一结果在定性上与 PdCrO2 中自旋电流生成随反磁性有序性变化的密度泛函理论计算相一致。
引用
@article{arxiv.2510.14103,
title = {Turn-on of Current-Induced Spin Torque upon Noncollinear Antiferromagnetic Ordering in Delafossite PdCrO2},
author = {Xiaoxi Huang and Qi Song and Gautam Gurung and Daniel A. Pharis and Thow Min Jerald Cham and Yulan Chen and Rakshit Jain and Maciej Olszewski and Yufan Feng and Amal El-Ghazaly and Evgeny Y. Tsymbal and Darrell G. Schlom and Daniel C. Ralph},
journal= {arXiv preprint arXiv:2510.14103},
year = {2025}
}