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dc.contributor.authorTsai, Y. T.en_US
dc.contributor.authorChang, W. J.en_US
dc.contributor.authorHsieh, C. C.en_US
dc.contributor.authorLuo, C. W.en_US
dc.contributor.authorWu, K. H.en_US
dc.contributor.authorUen, T. M.en_US
dc.contributor.authorJuang, J. Y.en_US
dc.contributor.authorLin, J. Y.en_US
dc.date.accessioned2019-04-02T05:59:44Z-
dc.date.available2019-04-02T05:59:44Z-
dc.date.issued2009-01-01en_US
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://dx.doi.org/10.1063/1.3055802en_US
dc.identifier.urihttp://hdl.handle.net/11536/149729-
dc.description.abstractBoth La0.375Pr0.25Ca0.375MnO3 (LPCMO) and La0.625Ca0.375MnO3 (LCMO) were found to exhibit coexistence of competing orders (phase separation) over a wide temperature range. However, substantial hysteretic behaviors in both of the temperature-dependent resistance [R(T)] and magnetization [M(T)] also known as the persistent magnetic memory effect (PMME)] are only displayed in LPCMO. The results indicate that, in LPCMO, the size distribution of the coexisting charge-ordered insulating and metallic ferromagnetic (FM) phases plays a determinant role in the PMME effects in different temperature regimes. Moreover, due to the direct competition between the two coexisting phases, the system is most susceptible to the external applied field in the hysteretic temperature region. On the other hand, in LCMO, the phase transition between paramagnetic and FM is more like an isomorphic transition in pure materials, and thus does not show significant hysteresis. c 2009 American Institute of Physics. [DOI: 10.1063/1.3055802]en_US
dc.language.isoen_USen_US
dc.titlePhase separation and persistent magnetic memory effect in La0.625Ca0.375MnO3 and La0.375Pr0.25Ca0.375MnO3 filmsen_US
dc.typeArticleen_US
dc.identifier.doi10.1063/1.3055802en_US
dc.identifier.journalJOURNAL OF APPLIED PHYSICSen_US
dc.citation.volume105en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000262534100082en_US
dc.citation.woscount3en_US
Appears in Collections:Articles