Ultrathin high-κ antimony oxide single crystals

Kena Yang, Tao Zhang, Bin Wei, Yijia Bai, Shuangfeng Jia, Guanghui Cao, Renhui Jiang, Chunbo Zhang, Enlai Gao, Xuejiao Chang, Juntao Li, Simo Li, Daming Zhu, Renzhong Tai, Hua Zhou, Jianbo Wang, Mengqi Zeng, Zhongchang Wang () and Lei Fu ()
Additional contact information
Kena Yang: College of Chemistry and Molecular Sciences, Wuhan University
Tao Zhang: College of Chemistry and Molecular Sciences, Wuhan University
Bin Wei: Department of Quantum Materials Science and Technology, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga
Yijia Bai: College of Chemical Engineering, Inner Mongolia University of Technology
Shuangfeng Jia: School of Physics and Technology, Center for Electron Microscopy, MOE Key Laboratory of Artificial Micro- and Nano-structures, and Institute for Advanced Studies, Wuhan University
Guanghui Cao: College of Chemistry and Molecular Sciences, Wuhan University
Renhui Jiang: School of Physics and Technology, Center for Electron Microscopy, MOE Key Laboratory of Artificial Micro- and Nano-structures, and Institute for Advanced Studies, Wuhan University
Chunbo Zhang: Department of Engineering Mechanics, School of Civil Engineering, Wuhan University
Enlai Gao: Department of Engineering Mechanics, School of Civil Engineering, Wuhan University
Xuejiao Chang: College of Chemistry and Molecular Sciences, Wuhan University
Juntao Li: College of Chemistry and Molecular Sciences, Wuhan University
Simo Li: College of Chemistry and Molecular Sciences, Wuhan University
Daming Zhu: Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences
Renzhong Tai: Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences
Hua Zhou: X-ray Science Division, Advanced Photon Source, Argonne National Laboratory
Jianbo Wang: School of Physics and Technology, Center for Electron Microscopy, MOE Key Laboratory of Artificial Micro- and Nano-structures, and Institute for Advanced Studies, Wuhan University
Mengqi Zeng: College of Chemistry and Molecular Sciences, Wuhan University
Zhongchang Wang: Department of Quantum Materials Science and Technology, International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga
Lei Fu: College of Chemistry and Molecular Sciences, Wuhan University

Nature Communications, 2020, vol. 11, issue 1, 1-6

Abstract: Abstract Ultrathin oxides have been reported to possess excellent properties in electronic, magnetic, optical, and catalytic fields. However, the current and primary approaches toward the preparation of ultrathin oxides are only applicable to amorphous or polycrystalline oxide nanosheets or films. Here, we successfully synthesize high-quality ultrathin antimony oxide single crystals via a substrate-buffer-controlled chemical vapor deposition strategy. The as-obtained ultrathin antimony oxide single crystals exhibit high dielectric constant (~100) and large breakdown voltage (~5.7 GV m−1). Such a strategy can also be utilized to fabricate other ultrathin oxides, opening up an avenue in broadening the applicaitons of ultrathin oxides in many emerging fields.

Date: 2020
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DOI: 10.1038/s41467-020-16364-9

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