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Deyi Fu

As seen in: Nature, MDPI
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Articles by Deyi Fu

Room-temperature high-efficiency spin injection via van der Waals tunnel contact - Nature Communications

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By Shiming Huang, Tingyu Qu, Lianying Zhu, Guowen Yuan, Barbaros Ozyilmaz, Huolin Huang, Feng Zhang, Libo Gao, Junhao Lin, Deyi Fu
| Nature Verified
Abstract Efficient and reliable spin injection at room temperature with scalability is crucial for spintronic applications but remains challenging. Direct ferromagnetic metal deposition on two-dimensional materials often leads to inefficient transparent contacts. Here, we introduce an indium buffer layer between ferromagnetic cobalt (Co) and graphene to establish high-efficiency van der Waals (vdW) tunnel contacts.
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Local avalanche photodetectors driven by lightning-rod effect and surface plasmon excitations - Nature Communications

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By Zhanwei Shen, Zhijie Wang, Jicheng Wang, Mingkun Zhang, Zhilin Yang, Deyi Fu, Feng Zhang
| Nature Verified
Abstract Sensitive avalanche photodetectors (APDs) that operate within the ultraviolet spectrum are critically required for applications in detecting fire and deep-space exploration. However, the development of such devices faces significant challenges, including high avalanche breakdown voltage, the necessity for complex quenching circuits, and thermal runaway associated with Geiger-mode avalanche operation.
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Electric field-tunable ferromagnetism in a van der Waals semiconductor up to room temperature - Nature Communications

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By Deyi Fu, Tingyu Qu, Gunasheel Krishnaswamy, Kenji Watanabe, Takashi Taniguchi, Vitor Pereira, Kostya Novoselov, Maciej Koperski, Anjan Soumyanarayanan, Ahmet Avsar, Oleg Yazyev, Junhao Lin, Nikolai L. Yakovlev
| Nature Verified
Abstract Ferromagnetic semiconductors, coupling charge transport and magnetism via electrical means, show great promise for spin-based logic devices. Despite decades of efforts to achieve such co-functionality, maintaining ferromagnetic order at room temperature remains elusive. Here, we address this long-standing challenge by implanting dilute Co atoms into few-layer black phosphorus through atomically-thin boron nitride diffusion barrier.
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Giant magnetoresistance induced by spin-dependent orbital coupling in Fe3GeTe2/graphene heterostructures - Nature Communications

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By Shiming Huang, Kenji Watanabe, Takashi Taniguchi, Le Wang, Jiawei Mei, Feng Zhang, Maoyuan Wang, Deyi Fu, Lianying Zhu, Huolin Huang
| Nature Verified
Abstract Information technology has a great demand for magnetoresistance (MR) sensors with high sensitivity and wide-temperature-range operation. It is well known that space charge inhomogeneity in graphene (Gr) leads to finite MR in its pristine form, and can be enhanced by increasing the degree of spatial disorder. However, the enhanced MR usually diminishes drastically as the temperature decreases.
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Energies | Free Full-Text | Wind Turbine Load Optimization Control Strategy Based on LIDAR Feed-Forward Control for Primary Frequency Modulation Process with Pitch Angle Reservation

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By Lingxing Kong, Deyi Fu, Lice Gong, Anqing Wang
| MDPI
Abstract : Because wind power is connected to the grid on a large scale, frequency fluctuation in the power grid, which is defined as a system safety risk to the power grid, occurs from time to time. According to the grid code rules of China, wind turbines are required to be equipped with primary frequency modulation or inertia response control capability, which are used to support the safe and stable operation of the power grid.
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