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arXiv 2009.11517physics.app-phcond-mat.mes-hall
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温度对非晶相变材料阈值电导的影响

Threshold conduction in amorphous phase change materials: effects of temperature

J C Martinez, Ronald A Coutu, Turja Nandy, R E Simpson

摘要:

我们强调了温度在解释非晶相变材料IV奥氏阈值开关曲线中的作用。Poole-Frankel导电模型的补充考虑温度对非晶材料的导电性的影响,我们发现协议与各种各样的可用数据。这导致阈值切换中的骤回的简单解释。我们还认为,低频电流噪声在非晶态起源于列车的运动载流子脱轨和重新启动,由于不同的本地结构内的非晶材料。

英文摘要:

We emphasize the role of temperature in explaining the IV ovonic threshold switching curve of amorphous phase change materials. The Poole-Frankel conduction model is supplemented by considering effects of temperature on the conductivity in amorphous materials and we find agreement with a wide variety of available data. This leads to a simple explanation of the snapback in threshold switching. We also argue that low frequency current noise in the amorphous state originates from trains of moving charge carriers derailing and restarting due to the different local structures within the amorphous material.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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