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Scalable high performance radio frequency electronics based on large domain bilayer MoS2

Author

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  • Qingguo Gao

    (Huazhong University of Science and Technology)

  • Zhenfeng Zhang

    (Huazhong University of Science and Technology)

  • Xiaole Xu

    (Huazhong University of Science and Technology)

  • Jian Song

    (Huazhong University of Science and Technology)

  • Xuefei Li

    (Huazhong University of Science and Technology)

  • Yanqing Wu

    (Huazhong University of Science and Technology)

Abstract

Atomically-thin layered molybdenum disulfide (MoS2) has attracted tremendous research attention for their potential applications in high performance DC and radio frequency electronics, especially for flexible electronics. Bilayer MoS2 is expected to have higher electron mobility and higher density of states with higher performance compared with single layer MoS2. Here, we systematically investigate the synthesis of high quality bilayer MoS2 by chemical vapor deposition on molten glass with increasing domain sizes up to 200 μm. High performance transistors with optimized high-κ dielectrics deliver ON-current of 427 μA μm−1 at 300 K and a record high ON-current of 1.52 mA μm−1 at 4.3 K. Moreover, radio frequency transistors are demonstrated with an extrinsic high cut-off frequency of 7.2 GHz and record high extrinsic maximum frequency of oscillation of 23 GHz, together with gigahertz MoS2 mixers on flexible polyimide substrate, showing the great potential for future high performance DC and high-frequency electronics.

Suggested Citation

  • Qingguo Gao & Zhenfeng Zhang & Xiaole Xu & Jian Song & Xuefei Li & Yanqing Wu, 2018. "Scalable high performance radio frequency electronics based on large domain bilayer MoS2," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07135-8
    DOI: 10.1038/s41467-018-07135-8
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    Cited by:

    1. Manzhang Xu & Hongjia Ji & Lu Zheng & Weiwei Li & Jing Wang & Hanxin Wang & Lei Luo & Qianbo Lu & Xuetao Gan & Zheng Liu & Xuewen Wang & Wei Huang, 2024. "Reconfiguring nucleation for CVD growth of twisted bilayer MoS2 with a wide range of twist angles," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Chao Chang & Xiaowen Zhang & Weixuan Li & Quanlin Guo & Zuo Feng & Chen Huang & Yunlong Ren & Yingying Cai & Xu Zhou & Jinhuan Wang & Zhilie Tang & Feng Ding & Wenya Wei & Kaihui Liu & Xiaozhi Xu, 2024. "Remote epitaxy of single-crystal rhombohedral WS2 bilayers," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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