Magnetization, magnetically modulated microwave absorption (MaMMA) and magnetoresistance in small particles of La(0.67)Ca(0.33)MnO3

We report a magnetic study of La(0.67)Ca(0.33)MnO3 fine particles obtained via sol-gel technology. An increase of the splitting between ZFC and FC has been observed as the grain size is reduced. We have estimated a critical size, D(crit), of approximately 76 nm. Smaller particles form single domains...

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Veröffentlicht in:	Materials science forum 1997-01, p.831-836
Hauptverfasser:	Sanchez, R D, Rivas, J, Caeiro, D, Oestlund, M, Servin, M, Vazquez-Vazquez, C, Lopez-Quintela, M A, Causa, M T, Oseroff, S B
Format:	Artikel
Sprache:	eng
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