Effect of oxygen content and superconductivity on the nonvolatile resistive switching in YBa2Cu3O6+x/Nb-doped SrTiO3 heterojunctions
作者： H. J. Zhang , X. P. Zhang , J. P. Shi , H. F. Tian , Y. G. Zhao
DOI: 10.1063/1.3095493
关键词:
摘要: The authors report on the resistive switching effect in YBa2Cu3O6+x/Nb-doped SrTiO3 heterojunctions. current-voltage curves of these heterojunctions show hysteresis, which increases with decreasing temperature and oxygen content. Multiresistance states are realized by voltage pulses different amplitudes. relaxation junction current after follows Curie–Von Schweidler law. More interestingly, resistance low state for heterojunction shows a metallic behavior remarkable drop at Tc. results were discussed terms trapping-detrapping process via vacancies near interface conducting filaments through barrier.
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