Irreversible Colossal Magnetoresistance in La0.58Dy0.09Ca0.33MnO3-中国Betway体育网页登陆

摘要 TherepresentativesampleLa0.58Dy0.09Ca0.33MnO3ofDydopedLa0.67Ca0.33MnO3rare-earthmanganiteswasinvestigated.ThemostimportanteffectofDydopingistointroducethemagnetoimpurityandformthespinclusterswhichinducedramaticallylargeCMRinLa0.58Dy0.09Ca0.33MnO3.Thefittingresultsoffield-inducedresistivitydecreasetotheBrillouinfunctionindicatethattheCMRiscausedbythespindependenthoppingbetweenspinclusters.Itisthemagneticfieldthatreducesthesizeofspinclustersandinducesafield-inducedirreversibleCMRbehaviour.

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Irreversible Colossal Magnetoresistance in La0.58Dy0.09Ca0.33MnO3

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