期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 13, 期 50, 页码 11689-11695出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.2c03480
关键词
-
类别
资金
- National Natural Science Foundation of China
- Natural Science Foundation of Jiangsu Province
- Fundamental Research Funds for the Central Universities
- National Key Research and Development Program
- Undergraduate Training Program for Innovation and Entrepreneurship, China Uni-versity of Mining and Technology
- [61991430]
- [61627822]
- [61704121]
- [BK20221113]
- [BK20210518]
- [2021QN1107]
- [2018YFA0209103]
A spin-related photocurrent excited by circularly polarized light is observed near the electrodes on a few-layer ReS2 sample at room temperature. The phenomenon arises from the inverse spin Hall effect due to the local electric field near the electrode. The research shows that the electric field near the electrodes has a significant impact on the spin transmission operation, which is important for manufacturing spintronic devices in the future.
A spin-related photocurrent excited by circularly polarized light is observed near the electrodes on a few-layer ReS2 sample at room temperature. For both electrodes, the spatial distribution of the spin photocurrent shows a feature of two wings, with one positive and the other negative. In this work, it is suggested that this phenomenon arises from the inverse spin Hall effect due to the local electric field near the electrode. Bias voltage that modulates this field further controls the sign and magnitude of the spin photocurrent. Our research shows that the electric field near the electrodes has a significant impact on the spin transmission operation, and hence it could be taken into account for manufacturing spintronic devices in the future.
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