ESR investigations on Ca perovskite

M. Chipara, S. H. Liou, C. N. Borca, R. Shoemaker, S. Adenwalla, P. A. Dowben

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Electron spin resonance studies on fine powders of La 0.65Ca 0.35MnO 3, performed in the X band, are reported. The coexistence of paramagnetic and ferromagnetic phases, in a narrow temperature range close to the Curie temperature, is observed. The electron spin resonance measurements do not support the presence of bipolarons above the Curie temperature. Temperature dependence of the ESR linewidth is governed by the hopping of polarons and the corresponding activation energy is about 150 meV above Tc.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsB.J. Daniels, T.P. Nolan, M.A. Seigler, S.X. Wang, C.B. Murray
StatePublished - 2001
EventMagnetic Materials, Structures and Processing for Information Storage - San Francisco, CA, United States
Duration: Apr 24 2000Apr 27 2000


OtherMagnetic Materials, Structures and Processing for Information Storage
Country/TerritoryUnited States
CitySan Francisco, CA

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials


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