Field-Driven Hysteretic and Reversible Resistive Switch at the Ag-Pr0.7Ca0.3MnO3 Interface
A. Baikalov (1), Y. Q. Wang (1), B. Shen (1), B. Lorenz (1), S. Tsui, (1), Y. Y. Sun (1), Y. Y. Xue (1), C. W. Chu (1,2,3) ((1) Department of, Physics, Texas Center for Superconductivity, University of Houston,, Houston, TX, (2) Lawrence Berkeley National Laboratory, Berkeley
TL;DR
This paper investigates a hysteretic, reversible resistive switching phenomenon at the Ag-Pr0.7Ca0.3MnO3 interface, driven by electric pulses, and proposes electrochemical diffusion as the underlying mechanism.
Contribution
It presents experimental evidence and a model for resistive switching at the interface, highlighting electrochemical diffusion as the cause.
Findings
Switch occurs at the Ag-Pr0.7Ca0.3MnO3 interface
Switching is hysteretic and reversible with electric pulses
Electrochemical diffusion explains the switching mechanism
Abstract
The hysteretic and reversible polarity-dependent resistive switch driven by electric pulses is studied in both Ag/Pr0.7Ca0.3MnO3/YBa2Cu3O7 sandwiches and single-layer Pr0.7Ca0.3MnO3 strips. The data demonstrate that the switch takes place at the Ag-Pr0.7Ca0.3MnO3 interface. A model, which describes the data well, is proposed. We further suggest that electrochemical diffusion is the cause for the switch.
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