Probing the Yb${}^{3+}$ spin relaxation in Y${}_{0.98}$Yb${}_{0.02}$Ba${}_2$Cu${}_3$O${}_x$ by Electron Paramagnetic Resonance

A. Maisuradze, A. Shengelaya, B. I. Kochelaev +4

The relaxation of Yb${}^{3+}$ in YBa${}_2$Cu${}_3$O${}_x$ ($6<x<7$) was studied using Electron Paramagnetic Resonance (EPR). It was found that both electronic and phononic processes…