Cryogenic spin Peltier effect detected by a RuO${}_2$-AlO${}_x$ on-chip microthermometer

Takashi Kikkawa, Haruka Kiguchi, Alexey A. Kaverzin +2

We report electric detection of the spin Peltier effect (SPE) in a bilayer consisting of a Pt film and a Y${}_3$Fe${}_5$O${}_{12}$ (YIG) single crystal at the cryogenic temperature $T$…