Origin of the spin Seebeck effect probed by temperature dependent measurements in Gd${}_3$Fe${}_5$O${}_{12}$

Stephan Geprägs, Andreas Kehlberger, Tomek Schulz +10

We probe the spin Seebeck effect in Gd${}_3$Fe${}_5$O${}_{12}$/Pt hybrid structures as a function of temperature and observe two sign changes of the spin Seebeck signal with decreasi…