Chiral perovskite film

Spin current gain orders of magnitude higher

Enables room-temperature spin current generation from a thermal gradient without ferromagnetic contacts, offering a new route to magnetic-material-free spin sources.

Kim, Kyunghoon · Vetter, Eric P. · Yan, Liang · Yang, Cong · Ziqi, Wang · Sun, Rui · Yang, Yu · Comstock, Andrew H. · Xiao, Li · Jun, Zhou · Zhang, Lifa · You, Wei · Sun, Dali · Liu, Jun

Nature Materials 2023

Advantages

Spin Seebeck coefficient orders of magnitude larger than reported

Room-temperature spin current generation without ferromagnetic contact