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  1. No Access

    Article

    Deciphering the ultra-high plasticity in metal monochalcogenides

    The quest for electronic devices that offer flexibility, wearability, durability and high performance has spotlighted two-dimensional (2D) van der Waals materials as potential next-generation semiconductors. E...

    Lok Wing Wong, Ke Yang, Wei Han, **aodong Zheng, Hok Yin Wong in Nature Materials (2024)

  2. Article

    Open Access

    Direct observation of intrinsic room-temperature ferroelectricity in 2D layered CuCrP2S6

    Multiferroic materials have ignited enormous interest owing to their co-existence of ferroelectricity and ferromagnetism, which hold substantial promise for advanced device applications. However, the size effe...

    Weng Fu Io, Sin -Yi Pang, Lok Wing Wong, Yuqian Zhao, Ran Ding in Nature Communications (2023)

  3. Article

    Open Access

    Unraveling and leveraging in situ surface amorphization for enhanced hydrogen evolution reaction in alkaline media

    Surface amorphization provides electrocatalysts with more active sites and flexibility. However, there is still a lack of experimental observations and mechanistic explanations for the in situ amorphization pr...

    Qiang Fu, Lok Wing Wong, Fangyuan Zheng, **aodong Zheng in Nature Communications (2023)

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    Article

    Phase-controllable large-area two-dimensional In2Se3 and ferroelectric heterophase junction

    Memory transistors based on two-dimensional (2D) ferroelectric semiconductors are intriguing for next-generation in-memory computing. To date, several 2D ferroelectric materials have been unveiled, among which...

    Wei Han, **aodong Zheng, Ke Yang, Chi Shing Tsang, Fangyuan Zheng in Nature Nanotechnology (2023)

  5. Article

    Open Access

    Site-specific electrical contacts with the two-dimensional materials

    Electrical contact is an essential issue for all devices. Although the contacts of the emergent two-dimensional materials have been extensively investigated, it is still challenging to produce excellent contac...

    Lok-Wing Wong, Lingli Huang, Fangyuan Zheng, Quoc Huy Thi in Nature Communications (2020)

  6. No Access

    Article

    Temperature- and thickness-dependence of robust out-of-plane ferroelectricity in CVD grown ultrathin van der Waals α-In2Se3 layers

    Two-dimensional (2D) ferroelectric materials with unique structure and extraordinary optoelectrical properties have attracted intensive research in the field of nanoelectronic and optoelectronic devices, such ...

    Weng Fu Io, Shuoguo Yuan, Sin Yi Pang, Lok Wing Wong, Jiong Zhao in Nano Research (2020)