论文标题

手性诱导的自旋选择性效应的温度依赖性 - 实验和理论

Temperature-dependence of the chirality-induced spin selectivity effect -- experiments and theory

论文作者

Alwan, Seif, Sarkar, Subhajit, Sharoni, Amos, Dubi, Yonatan

论文摘要

手性诱导的自旋选择性(CISS)效应的温度依赖性可用于区分CISS效应机制的不同理论建议。在这里,我们简要回顾了关键的实验结果,并讨论了在CISS效应的不同模型中温度的影响。然后,我们专注于最近建议的尖头机制,并描述温度在该模型中可能具有的不同效果。最后,我们详细分析了Qian等人的最新实验结果(自然,606,902-908(2022)),并证明,这些数据与作者的原始解释相反,这些数据表明CISS效应随温度降低而增加。最后,我们展示了尖头模型如何准确地重现这些实验结果。

The temperature dependence of the chirality-induced spin selectivity (CISS) effect can be used to discriminate between different theoretical proposals for the mechanism of the CISS effect. Here we briefly review key experimental results and discuss the effect of temperature in different models for the CISS effect. We then focus on the recently suggested spinterface mechanism and describe the different possible effects temperature can have within this model. Finally, we analyze in detail recent experimental results from Qian, et.al., (Nature, 606, 902-908 (2022)) and demonstrate that, opposite to the original interpretation by the authors, these data indicate that the CISS effect increases with decreasing temperature. Finally, we show how the spinterface model can accurately reproduce these experimental results.

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