Possible observation of Griffith phase over large temperature range in plasma sintered La0.67Ca0.33MnO3

D.K. Mishra,B.K. Roul,S. K. Singh, V.V. Srinivasu

Journal of Magnetism and Magnetic Materials（2018）

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摘要

•Observation of Griffith phase in a wide range of temperature in plasma sintered LCMO.•Purposefully created disordered structure by plasma sintering.•Confirmation of FM cluster in PM region through inverse susceptibility curve.•Large resonance peak width (40–60 mT) confirms the sample magnetically inhomogeneity.•EPMA establishes the presence of higher percentage of Mn3+ cluster.

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关键词

Griffith phase,Curie temperature,Plasma sintering,ESR,EPMA, LCMO

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