An electron spin resonance study was carried out for a La 0.7Ca0.3MnO3 bulk sample above the ferromagnetic ordering temperature. From careful analysis on the ESR parameters, it is shown that itinerant spins interacting with magnetic spin clusters in bottleneck regime are responsible for the ESR signals.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics