A metallic phase in lightly doped La${}_{2-x}$Sr${}_x$CuO${}_4$ observed by electron paramagnetic resonance

A. Shengelaya, M. Bruun, B. I. Kochelaev +3

In the low doping range of $x$ from 0.01 to 0.06 in La${}_{2-x}$Sr${}_x$CuO${}_4$, a narrow electron paramagnetic resonance (EPR) line has been investigated. This line is distinct fr…