Microscopic examinations of Co valences and spin states in electron-doped LaCoO${}_3$

Keisuke Tomiyasu, Syun-Ichi Koyama, Masanori Watahiki +12

We studied the Co valences and spin states in electron-doped LaCo${}_{1-y}$Te${}_y$O${}_3$ by measuring x-ray absorption spectra and electron spin resonance. The low-temperature insula…