Exchange-spring magnetic structure

Field-free switching at RT

Unconventional spin polarization from a non-collinear exchange-spring enables field-free SOT switching of perpendicular magnetization at room temperature.

Wu, Chuangwen · Deng Xiao, · Zhu, Tao · Han, Xiufeng · Zhao, Jinkui · Wang, Hao · Zhang, Yue · Liang, Shiheng · Wu, Hao

Advanced Materials 2024

Advantages

Field-free SOT-driven perpendicular magnetization switching at room temperature

Unconventional spin polarization direction reversible via interfacial exchange coupling (FM/AFM)