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dc.contributor.authorParashar, Sachin-
dc.contributor.authorSudheendra, L-
dc.contributor.authorRaju, A R-
dc.contributor.authorRao, C N R-
dc.date.accessioned2012-02-29T11:30:21Z-
dc.date.available2012-02-29T11:30:21Z-
dc.date.issued2004-02-15-
dc.identifier0021-8979en_US
dc.identifier.citationJournal of Applied Physics 95(4), 2181-2183 (2004)en_US
dc.identifier.urihttp://hdl.handle.net/10572/514-
dc.description.abstractSingle crystals of Nd0.5Ca0.5MnO3 and Pr0.6Ca0.4MnO3 show current-induced insulator-metal (IM) transitions at low temperatures. In addition, the charge-ordering transition temperature, T-co, decreases with increasing current. The electroresistive ratio, defined as rho(0.5)/rho(I) where rho(0.5) is the resistivity at a current of 0.5 mA and rho(I) the resistivity at a given applied current, I, varies markedly with temperature and the value of I. Thermal hysteresis observed in Nd0.5Ca0.5MnO3 and Pr0.6Ca0.4MnO3 at the IM transition indicates that the transition is first order. The current-induced changes are comparable to those induced by magnetic fields, and accordingly the IM transition in Pr0.6Ca0.4MnO3 is associated with a larger drop in resistivity. (C) 2004 American Institute of Physics.en_US
dc.description.urihttp://dx.doi.org/10.1063/1.1641515en_US
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2004 American Institute of Physicsen_US
dc.subjectRare-Earth Manganatesen_US
dc.subjectInsulator-Metal Transitionen_US
dc.subjectExperimental Situationen_US
dc.subjectResistive Statesen_US
dc.subjectManganitesen_US
dc.subjectSeparationen_US
dc.titleCurrent-induced phase control in charged-ordered Nd0.5Ca0.5MnO3 and Pr0.6Ca0.4MnO3 crystalsen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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