Ferromagnetic ordering in a THAB exfoliated WS2 nanosheet
被引:9
作者:
Debnath, Anup
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机构:
Indian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, IndiaIndian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, India
Debnath, Anup
[1
]
Shaw, Bikash Kumar
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机构:
Univ Cambridge, Dept Mat Sci & Met, Cambridge CB3 0FS, EnglandIndian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, India
Shaw, Bikash Kumar
[2
]
Bhattacharya, Shatabda
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h-index: 0
机构:
Seoul Natl Univ, Dept Mat Sci & Engn, Natl Creat Res Initiat Ctr Spin Dynam & Spin Wave, Nanospin Lab, Seoul 08826, South KoreaIndian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, India
Bhattacharya, Shatabda
[3
]
Saha, Shyamal K.
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机构:
Indian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, IndiaIndian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, India
Saha, Shyamal K.
[1
]
机构:
[1] Indian Assoc Cultivat Sci, Sch Mat Sci, Kolkata 700032, India
[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB3 0FS, England
[3] Seoul Natl Univ, Dept Mat Sci & Engn, Natl Creat Res Initiat Ctr Spin Dynam & Spin Wave, Nanospin Lab, Seoul 08826, South Korea
Because of the important role of two-dimensional (2D) magnetic semiconductors in low-dimensional spintronic devices, the generation of ferromagnetism within an ultrathin semiconducting sheet of a transition metal dichalcogenide is highly desirable. A pristine WS2 sheet is a diamagnetic semiconducting transition metal dichalcogenide with superior electronic properties. In this study, we synthesised a free-standing WS2 sheet by a chemical route followed by electrochemical exfoliation by a giant molecule. During exfoliation of the WS2 crystal, atomic vacancies were created in the sheet with a lower number of layers. To understand the mechanism of exfoliation, we carried out x-ray diffraction, transmission electron microscopy, atomic force microscopy and Raman measurements. The types of atomic vacancies were realised by energy-dispersive x-ray spectroscopy, high-resolution transmission electron microscopy (fast Fourier transform), and x-ray photoelectron spectroscopy studies. We also observed a ferromagnetic ordering within the exfoliated WS2 sheet, which is explained on the basis of the generation of an atomic vacancy induced spin-moment. The transport study of the exfoliated WS2 sheet suggests that the electro-transport behaviour still remains as a semiconductor even after exfoliation. This ferromagnetic semiconducting system will be applicable in spintronic devices and this technique will enrich the literature, particularly for the preparation of a 2D semiconducting ferromagnet in a facile fashion.
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Ataca, C.
;
Sahin, H.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Sahin, H.
;
Ciraci, S.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Inst Mat Sci & Nanotechnol, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Ataca, C.
;
Ciraci, S.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Inst Mat Sci & Nanotechnol, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Cai, Liang
;
He, Jingfu
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
He, Jingfu
;
Liu, Qinghua
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Liu, Qinghua
;
Yao, Tao
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Yao, Tao
;
Chen, Lin
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Chen, Lin
;
Yan, Wensheng
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Yan, Wensheng
;
Hu, Fengchun
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Hu, Fengchun
;
Jiang, Yong
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Jiang, Yong
;
Zhao, Yidong
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机构:
Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Zhao, Yidong
;
Hu, Tiandou
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h-index: 0
机构:
Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Hu, Tiandou
;
Sun, Zhihu
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Sun, Zhihu
;
Wei, Shiqiang
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Guo, Yao
;
Zhang, Weixuan
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机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Weixuan
;
Wu, Hanchun
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机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Wu, Hanchun
;
Han, Junfeng
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h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Han, Junfeng
;
Zhang, Yongliang
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机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Yongliang
;
Lin, Shenghuang
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机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Lin, Shenghuang
;
Liu, Chunru
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h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Liu, Chunru
;
Xu, Kang
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h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Xu, Kang
;
Qiao, Jingsi
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R China
Renmin Univ China, Dept Phys, Beijing 100872, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Qiao, Jingsi
;
Ji, Wei
论文数: 0引用数: 0
h-index: 0
机构:
Renmin Univ China, Dept Phys, Beijing 100872, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Ji, Wei
;
Chen, Qing
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Dept Elect, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Chen, Qing
;
Gao, Song
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Dept Elect, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Gao, Song
;
Zhang, Wenjing
论文数: 0引用数: 0
h-index: 0
机构:
Shenzhen Univ, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Shenzhen 518060, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Wenjing
;
Zhang, Xiangdong
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h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Xiangdong
;
Chai, Yang
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h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Ataca, C.
;
Sahin, H.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Sahin, H.
;
Ciraci, S.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Inst Mat Sci & Nanotechnol, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Ataca, C.
;
Ciraci, S.
论文数: 0引用数: 0
h-index: 0
机构:
Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
Bilkent Univ, UNAM Inst Mat Sci & Nanotechnol, TR-06800 Ankara, TurkeyBilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Cai, Liang
;
He, Jingfu
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
He, Jingfu
;
Liu, Qinghua
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Liu, Qinghua
;
Yao, Tao
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机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Yao, Tao
;
Chen, Lin
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Chen, Lin
;
Yan, Wensheng
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h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Yan, Wensheng
;
Hu, Fengchun
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Hu, Fengchun
;
Jiang, Yong
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Jiang, Yong
;
Zhao, Yidong
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Zhao, Yidong
;
Hu, Tiandou
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Hu, Tiandou
;
Sun, Zhihu
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
Sun, Zhihu
;
Wei, Shiqiang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R ChinaUniv Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Guo, Yao
;
Zhang, Weixuan
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Weixuan
;
Wu, Hanchun
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Wu, Hanchun
;
Han, Junfeng
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Han, Junfeng
;
Zhang, Yongliang
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Yongliang
;
Lin, Shenghuang
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Lin, Shenghuang
;
Liu, Chunru
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Liu, Chunru
;
Xu, Kang
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Xu, Kang
;
Qiao, Jingsi
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R China
Renmin Univ China, Dept Phys, Beijing 100872, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Qiao, Jingsi
;
Ji, Wei
论文数: 0引用数: 0
h-index: 0
机构:
Renmin Univ China, Dept Phys, Beijing 100872, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Ji, Wei
;
Chen, Qing
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Dept Elect, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Chen, Qing
;
Gao, Song
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Dept Elect, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Gao, Song
;
Zhang, Wenjing
论文数: 0引用数: 0
h-index: 0
机构:
Shenzhen Univ, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Shenzhen 518060, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Wenjing
;
Zhang, Xiangdong
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
Zhang, Xiangdong
;
Chai, Yang
论文数: 0引用数: 0
h-index: 0
机构:
Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Peoples R ChinaBeijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China