Field-driven hysteretic and reversible resistive switch at the Ag–Pr[sub 0.7]Ca[sub 0.3]MnO[sub 3] interface

Baikalov, A.; Wang, Y. Q.; Shen, B.; Lorenz, B.; Tsui, S.; Sun, Y. Y.; Xue, Y. Y.; Chu, C. W.
August 2003
Applied Physics Letters;8/4/2003, Vol. 83 Issue 5, p957
Academic Journal
The hysteretic and reversible polarity-dependent resistive switch driven by electric pulses is studied in both Ag/Pr[SUB0.7]Ca[SUB0.3]MnO[SUB3]/Yba[SUB2]Cu[SUB3]O[SUB7] sandwiches and single-layer Pr[SUB0.7]Ca[SUB0.3]MnO[SUB3] strips. The data demonstrate that the switch takes place at the Ag-Pr[SUB0.7]Ca[SUB0.3]MnO[SUB3] interface. A model, which describes the data well, is proposed. We further suggest that electrochemical migration is the cause for the switch.


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