期刊
APPLIED PHYSICS LETTERS
卷 76, 期 19, 页码 2749-2751出版社
AMER INST PHYSICS
DOI: 10.1063/1.126464
关键词
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A large electric-pulse-induced reversible resistance change active at room temperature and under zero magnetic field has been discovered in colossal magnetoresistive (CMR) Pr0.7Ca0.3MnO3 thin films. Electric field-direction-dependent resistance changes of more than 1700% were observed under applied pulses of similar to 100 ns duration and as low as +/- 5 V magnitude. The resistance changes were cumulative with pulse number, were reversible and nonvolatile. This electrically induced effect, observed in CMR materials at room temperature has both the benefit of a discovery in materials properties and the promise of applications for thin film manganites in the electronics arena including high-density nonvolatile memory. (C) 2000 American Institute of Physics. [S0003-6951(00)00419-8].
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