Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films

oleh: Qiming Shao, Chi Tang, Guoqiang Yu, Aryan Navabi, Hao Wu, Congli He, Junxue Li, Pramey Upadhyaya, Peng Zhang, Seyed Armin Razavi, Qing Lin He, Yawen Liu, Pei Yang, Se Kwon Kim, Cheng Zheng, Yizhou Liu, Lei Pan, Roger K. Lake, Xiufeng Han, Yaroslav Tserkovnyak, Jing Shi, Kang L. Wang

Format: Article
Diterbitkan: Nature Portfolio 2018-09-01

Deskripsi

The spin-orbit torque (SOT) induced magnetic switching makes metal/magnetic insulators bilayers preferred in the energy efficient spintronic applications. Here the authors show SOT switching in W/TmIG bilayers and reveal the dimension crossover of SOT as a function of TmIG thickness.