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High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus

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  • Jingsi Qiao

    (Renmin University of China
    Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China)

  • Xianghua Kong

    (Renmin University of China
    Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China)

  • Zhi-Xin Hu

    (Renmin University of China
    Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China)

  • Feng Yang

    (Renmin University of China
    Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China
    College of Physics and Electronic Engineering, Institute of Solid State Physics, Sichuan Normal University)

  • Wei Ji

    (Renmin University of China
    Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices, Renmin University of China)

Abstract

Two-dimensional crystals are emerging materials for nanoelectronics. Development of the field requires candidate systems with both a high carrier mobility and, in contrast to graphene, a sufficiently large electronic bandgap. Here we present a detailed theoretical investigation of the atomic and electronic structure of few-layer black phosphorus (BP) to predict its electrical and optical properties. This system has a direct bandgap, tunable from 1.51 eV for a monolayer to 0.59 eV for a five-layer sample. We predict that the mobilities are hole-dominated, rather high and highly anisotropic. The monolayer is exceptional in having an extremely high hole mobility (of order 10,000 cm2 V−1 s−1) and anomalous elastic properties which reverse the anisotropy. Light absorption spectra indicate linear dichroism between perpendicular in-plane directions, which allows optical determination of the crystalline orientation and optical activation of the anisotropic transport properties. These results make few-layer BP a promising candidate for future electronics.

Suggested Citation

  • Jingsi Qiao & Xianghua Kong & Zhi-Xin Hu & Feng Yang & Wei Ji, 2014. "High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
  • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5475
    DOI: 10.1038/ncomms5475
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    Cited by:

    1. Wenhao Ran & Zhihui Ren & Pan Wang & Yongxu Yan & Kai Zhao & Linlin Li & Zhexin Li & Lili Wang & Juehan Yang & Zhongming Wei & Zheng Lou & Guozhen Shen, 2021. "Integrated polarization-sensitive amplification system for digital information transmission," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    2. Shuaiqin Wu & Yan Chen & Xudong Wang & Hanxue Jiao & Qianru Zhao & Xinning Huang & Xiaochi Tai & Yong Zhou & Hao Chen & Xingjun Wang & Shenyang Huang & Hugen Yan & Tie Lin & Hong Shen & Weida Hu & Xia, 2022. "Ultra-sensitive polarization-resolved black phosphorus homojunction photodetector defined by ferroelectric domains," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Valerio Di Giulio & P. A. D. Gonçalves & F. Javier García de Abajo, 2022. "An image interaction approach to quantum-phase engineering of two-dimensional materials," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    4. Ruijin Sun & Jun Deng & Xiaowei Wu & Munan Hao & Ke Ma & Yuxin Ma & Changchun Zhao & Dezhong Meng & Xiaoyu Ji & Yiyang Ding & Yu Pang & Xin Qian & Ronggui Yang & Guodong Li & Zhilin Li & Linjie Dai & , 2023. "High anisotropy in electrical and thermal conductivity through the design of aerogel-like superlattice (NaOH)0.5NbSe2," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    5. Angela Montanaro & Francesca Giusti & Matteo Zanfrognini & Paola Pietro & Filippo Glerean & Giacomo Jarc & Enrico Maria Rigoni & Shahla Y. Mathengattil & Daniele Varsano & Massimo Rontani & Andrea Per, 2022. "Anomalous non-equilibrium response in black phosphorus to sub-gap mid-infrared excitation," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    6. Xinyu Chen & Shuaihua Lu & Qian Chen & Qionghua Zhou & Jinlan Wang, 2024. "From bulk effective mass to 2D carrier mobility accurate prediction via adversarial transfer learning," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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