Enhancement of spin-orbit torque in Pt/Co/HfOx heterostructures with voltage-controlled oxygen ion migration

• Main Authors: Wu, Shuo, Jin, Tianli, Tan, Funan, Ang, Calvin Ching Ian, Poh, Hanyin, Lim, Gerard Joseph, Lew, Wen Siang
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2023
• Subjects: Science::Physics; Induced Magnetizations; Interfacial Couplings
• Online Access: https://hdl.handle.net/10356/165588
• Institution: Nanyang Technological University

Spin-orbit torque (SOT) induced magnetization switching and SOT modulation by interfacial coupling exhibit good potential in spintronic devices. In this work, we report the enhancement of damping-like field and SOT efficiency of up to 60% and 23%, respectively, in perpendicularly magnetized Pt/Co/Hf...