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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Thermal effects on the switching kinetics of silver/manganite memristive systems
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Thermal effects on the switching kinetics of silver/manganite memristive systems

机译:热效应对银/锰忆阻体系转换动力学的影响

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We investigate the switching kinetics of oxygen vacancy (Ov) diffusion in La(5/8-y)Pr(y) Ca(3/8)MnO(3)-Ag (LPCMO-Ag) memristive interfaces by performing experiments on the temperature dependence of the high resistance state under thermal cycling. Experimental results are well reproduced by numerical simulations based on thermally activated Ov diffusion processes and fundamental assumptions relying on a recent model proposed to explain bipolar resistive switching in manganite-based cells. The confident values obtained for activation energies and the diffusion coefficient associated to Ov dynamics constitute a validation test for both model predictions and Ov diffusion mechanisms in memristive interfaces.
机译:我们通过对温度进行实验来研究La(5 / 8-y)Pr(y)Ca(3/8)MnO(3)-Ag(LPCMO-Ag)忆阻界面中氧空位(Ov)扩散的转换动力学热循环下高电阻状态的依赖性。通过基于热激活的Ov扩散过程的数值模拟和基本假设,可以很好地再现实验结果,该基本假设依赖于提出的最新模型来解释锰铁矿电池中的双极电阻转换。获得的激活能和与Ov动力学相关的扩散系数的置信值构成了忆阻界面中模型预测和Ov扩散机制的验证测试。

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