A self-powered phosphorene photodetector with excellent spin-filtering and spin-valve effects
文献情報
Yongzhi Luo, Yiqun Xie, Xiang Ye, Yin Wang
Spin-filtering and spin-valve effects are fundamental issues of spintronics in two-dimensional materials, where a self-powered nanotechnology is also highly desired for low-power consumption. Herein, we report a self-powered nickel–phosphorene–nickel photodetector driven by photogalvanic effects (PGEs), based on quantum transport simulations. Persistent photocurrent is generated at zero bias due to PGEs induced by vertical illumination with linearly and elliptically polarized light. Moreover, fully spin-polarized photocurrent and large magnetoresistance can be obtained by tunneling the photon energy and light polarization, which indicates both excellent spin-filtering and spin-valve effects. These results suggest a promising application of PGE-driven phosphorene photodetectors in low energy-consumption spintronic devices.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














