Room-temperature resistance switching and temperature hysteresis of Pr0.7Ca0.3MnO3 junctions

Joe Sakai; Syozo Imai

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Journal of Applied Physics

Article . 2005 . Peer-reviewed

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https://dx.doi.org/10.1063/1.1...

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Room-temperature resistance switching and temperature hysteresis of Pr0.7Ca0.3MnO3 junctions

descriptionPublicationkeyboard_double_arrow_right Article 11 May 2005 English Publisher:AIP PublishingJournal:Journal of Applied Physics, volume 97 (issn: 0021-8979, eissn: 1089-7550,

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Authors: Joe Sakai; Syozo Imai;

doi: 10.1063/1.1851852

Room-temperature resistance switching and temperature hysteresis of Pr0.7Ca0.3MnO3 junctions

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Abstract

Current–voltage (I–V) characteristics of Ag∕Pr0.7Ca0.3MnO3(PCMO)∕YBa2Cu3O7−δ(YBCO) junctions fabricated on LaAlO3 (001) substrates were measured. Nonlinear, asymmetric, and hysteretic I–V curves, that are considered to be the nature of the resistance memory effect previously reported, were observed. In some junctions the I–V characteristics were switched between linear and nonlinear by its thermal hysteresis. Room-temperature I–V characteristics, originally being linear, turned to be nonlinear after cooling to 100K, and returned to be linear after heating to 400K.

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Japan Advanced Institute of Science and Technology
Japan

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