Electroresistance in Phase Separated La0.4Ca0.6Mn0.98Ru0.02O3

doi:10.15541/jim20150656

Journal of Inorganic Materials ›› 2016, Vol. 31 ›› Issue (11): 1255-1257.DOI: 10.15541/jim20150656

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Electroresistance in Phase Separated La_0.4Ca_0.6Mn_0.98Ru_0.02O₃

BIE Ye-Guang^{1, 2}, HU Ni^{1, 2}, LIU Feng-Ming¹, DUAN Tian-Ci¹, PEI Ling², Deng Gang¹

(1. Hubei Collaborative Innovation Center for High-efficient Utilization of Solar Energy, Hubei University of Technology, Wuhan 430068, China; 2. School of Science, Hubei University of Technology, Wuhan 430068, China)

Received:2015-12-29 Revised:2016-05-08 Published:2016-11-10 Online:2016-10-25
About author:BIE Ye-Guang. E-mail: bieyygg@126.com
Supported by:
National Natural Science Foundation of China (11304091,11304090);Open Foundation of Hubei Collaborative Innovation Center for High-efficient Utilization of Solar Energy (HBSKFMS2014043)

Abstract

Abstract:

Single-phase manganite La_0.4Ca_0.6Mn_0.98Ru_0.02O₃ shows a typical electronic phase separated state, i.e. the ferromagnetic metal and charge-ordered insulating phase. This provides an ideal platform for investigating electroresistance effect. The sample was synthesized by using standard solid state reaction method, and the pure phase was demonstrated using X-ray diffraction. The colossal electroresistance were measured at various input current intensities. The experiments reveal remarkable electroresistance effect (~80%) which can be triggered by increasing the current intensity. In addition, the resistance state of the sample can be switched immediately and repeatedly by switching the current intensity. The current stabilized ferromagnetic phase would be responsible for these phenomena.

Key words: manganite, electroresistance, electric transport

CLC Number:

O513

BIE Ye-Guang, HU Ni, LIU Feng-Ming, DUAN Tian-Ci, PEI Ling, Deng Gang. Electroresistance in Phase Separated La_0.4Ca_0.6Mn_0.98Ru_0.02O₃[J]. Journal of Inorganic Materials, 2016, 31(11): 1255-1257.

Figures/Tables 3

References 10

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Electroresistance in Phase Separated La_0.4Ca_0.6Mn_0.98Ru_0.02O₃

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