Universal behavior of giant electroresistance in epitaxial La 0.67 Ca0.33 MnO3 thin films

Y. G. Zhao; Y. H. Wang; G. M. Zhang; B. Zhang; X. P. Zhang; C. X. Yang; P. L. Lang; M. H. Zhu; P. C. Guan

doi:10.1063/1.1889241

Universal behavior of giant electroresistance in epitaxial La _0.67 Ca_0.33 MnO₃ thin films

Y. G. Zhao, Y. H. Wang, G. M. Zhang, B. Zhang, X. P. Zhang, C. X. Yang, P. L. Lang, M. H. Zhu, P. C. Guan

Department of Physics

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

We report a giant resistance drop induced by dc electrical currents in La0.67 Ca0.33 MnO3 epitaxial thin films. Resistance of the patterned thin films decreases exponentially with increasing current and a maximum drop shows at the temperature of resistance peak Tp. Variation of resistance with current densities can be scaled below and above Tp, respectively. This work can be useful for the future applications of electroresistance.

Original language	English
Article number	122502
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	86
Issue number	12
DOIs	https://doi.org/10.1063/1.1889241
Publication status	Published - 2005 Mar 21

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1889241

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title = "Universal behavior of giant electroresistance in epitaxial La 0.67 Ca0.33 MnO3 thin films",

abstract = "We report a giant resistance drop induced by dc electrical currents in La0.67 Ca0.33 MnO3 epitaxial thin films. Resistance of the patterned thin films decreases exponentially with increasing current and a maximum drop shows at the temperature of resistance peak Tp. Variation of resistance with current densities can be scaled below and above Tp, respectively. This work can be useful for the future applications of electroresistance.",

author = "Zhao, {Y. G.} and Wang, {Y. H.} and Zhang, {G. M.} and B. Zhang and Zhang, {X. P.} and Yang, {C. X.} and Lang, {P. L.} and Zhu, {M. H.} and Guan, {P. C.}",

note = "Funding Information: The authors are grateful to L. Lu for enlightening discussions. This work was supported by NSFC (Nos. 50272031 and 50425205), the Excellent Young Teacher Program of MOE, 973 project (No. 2002CB613505), and Specialized Research Fund for the Doctoral Program of Higher Education (No. 2003 0003088).",

year = "2005",

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doi = "10.1063/1.1889241",

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TY - JOUR

T1 - Universal behavior of giant electroresistance in epitaxial La 0.67 Ca0.33 MnO3 thin films

AU - Zhao, Y. G.

AU - Wang, Y. H.

AU - Zhang, G. M.

AU - Zhang, B.

AU - Zhang, X. P.

AU - Yang, C. X.

AU - Lang, P. L.

AU - Zhu, M. H.

AU - Guan, P. C.

N1 - Funding Information: The authors are grateful to L. Lu for enlightening discussions. This work was supported by NSFC (Nos. 50272031 and 50425205), the Excellent Young Teacher Program of MOE, 973 project (No. 2002CB613505), and Specialized Research Fund for the Doctoral Program of Higher Education (No. 2003 0003088).

PY - 2005/3/21

Y1 - 2005/3/21

N2 - We report a giant resistance drop induced by dc electrical currents in La0.67 Ca0.33 MnO3 epitaxial thin films. Resistance of the patterned thin films decreases exponentially with increasing current and a maximum drop shows at the temperature of resistance peak Tp. Variation of resistance with current densities can be scaled below and above Tp, respectively. This work can be useful for the future applications of electroresistance.

AB - We report a giant resistance drop induced by dc electrical currents in La0.67 Ca0.33 MnO3 epitaxial thin films. Resistance of the patterned thin films decreases exponentially with increasing current and a maximum drop shows at the temperature of resistance peak Tp. Variation of resistance with current densities can be scaled below and above Tp, respectively. This work can be useful for the future applications of electroresistance.

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Universal behavior of giant electroresistance in epitaxial La _0.67 Ca_0.33 MnO₃ thin films

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