Colossal electroresistance and colossal magnetoresistance in spinel multiferroic CdCr2 S4

C. P. Sun, C. L. Huang, C. C. Lin, J. L. Her, C. J. Ho, Jiunn-Yuan Lin, H. Berger, H. D. Yang

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Abstract

Colossal magnetoresistance (CMR) and colossal electroresistance (CER) induced by the electric field in spinel multiferroic CdCr2 S 4 are reported. It is found that a metal-insulator transition in CdCr2 S4 is triggered by the electrical field. In magnetic fields, the resistivity ρ of CdCr2 S4 responds similarly to that of CMR manganites. Combing previous reports, these findings make CdCr2 S4 the unique compound to possess all four properties of the colossal magnetocapacitive, colossal electrocapacitive, CER, and CMR. The present results open a new venue for searching new materials to show CMR by tuning electric and magnetic fields.

Original languageEnglish
Article number122109
JournalApplied Physics Letters
Volume96
Issue number12
DOIs
StatePublished - 7 Apr 2010

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    Sun, C. P., Huang, C. L., Lin, C. C., Her, J. L., Ho, C. J., Lin, J-Y., Berger, H., & Yang, H. D. (2010). Colossal electroresistance and colossal magnetoresistance in spinel multiferroic CdCr2 S4. Applied Physics Letters, 96(12), [122109]. https://doi.org/10.1063/1.3368123