Author(s): Stephen M. Wu, John E. Pearson, and Anand Bhattacharya
A spin current is experimentally generated in various insulating paramagnets using thermal gradients, a surprising result as, unlike ferromagnetic insulators, paramagnets do not hold their magnetization when the applied field is removed.
[Phys. Rev. Lett. 114, 186602] Published Tue May 05, 2015