Researchers have demonstrated that the application of a thermal gradient in spintronic devices can cause spin signal to increase as a result of a novel thermoelectric phenomenon predicted and subsequently observed in graphene. Specifically, the enhanced spin signal is two orders of magnitude larger than anything previously reported for thermal effects in metals.

Via:: https://www.nanowerk.com/nanotechnology-news/newsid=48817.php

Thermal gradients are shown to enhance spin transport in graphene

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