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One-Step Growth of Bilayer 2H-1T' MoTe2 van der Waals Heterostructures with Interlayer-Coupled Resonant Phonon Vibration

文献类型：期刊论文

作者Guo, Zenglong5,6; Wang, Lei3,4; Han, Mengjiao2; Zhao, Erding5; Zhu, Liang5,6; Guo, Weiteng5,6; Tan, Junyang1; Liu, Bilu1; Chen, Xing-Qiu3,4; Lin, Junhao5,6
刊名ACS NANO
出版日期2022-07-18
页码10
ISSN号1936-0851
关键词MoTe2 salt-assisted CV D growth van der Waals heterostructure polarized Raman spectroscopy first-principles calculation
DOI10.1021/acsnano.2c04664
通讯作者Liu, Bilu(bilu.liu@sz.tsinghua.edu.cn) ; Chen, Xing-Qiu(xingqiu.chen@imr.ac.cn) ; Lin, Junhao(linjh@sustech.edu.cn)
英文摘要2H-1T' MoTe2 van der Waals heterostructures (vdWHs) have promising applications in optoelectronics due to a seamlessly homogeneous semiconductor-metal coupled interface. However, the existing methods to fabricate such vdWHs involved complicated steps that may deteriorate the interfacial coupling and are also lacking precise thickness control capability. Here, a one-step growth method was developed to controllably grow bilayer 2H-1T' MoTe2 vdWHs in the small growth window overlapped for both phases. Atomic-resolution low-voltage transmission electron microscopy shows the distinct moire' patterns in the bilayer vdWHs, revealing the epitaxial nature of the top 2H phase with the lattice parameters regulated by the underneath 1T' phase. Such epitaxially stacked bilayer vdWHs modulate the interlayer coupling by resonating their vibration modes, as unveiled by the angle-resolved polarized Raman spectroscopy and first-principles calculations.
资助项目National Natural Science Foundation of China[11974156] ; National Natural Science Foundation of China[51725103] ; National Natural Science Foundation of China[52188101] ; Guangdong Innovative and Entrepreneurial Research Team Program[2019ZT08C044] ; Shenzhen Science and Technology Program[KQTD20190929173815000] ; Shenzhen Science and Technology Program[20200925161102001] ; Science, Technology and Innovation Commission of Shenzhen Municipality[ZDSYS20190902092905285] ; Special Funds for the Cultivation of Guangdong College Students Special Funds[pdjh2020c0086] ; Presidential Fund and Development and Reform Commission of Shenzhen Municipality
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000830822100001
资助机构National Natural Science Foundation of China ; Guangdong Innovative and Entrepreneurial Research Team Program ; Shenzhen Science and Technology Program ; Science, Technology and Innovation Commission of Shenzhen Municipality ; Special Funds for the Cultivation of Guangdong College Students Special Funds ; Presidential Fund and Development and Reform Commission of Shenzhen Municipality
源URL[http://ir.imr.ac.cn/handle/321006/174659]  
专题金属研究所_中国科学院金属研究所
通讯作者Liu, Bilu; Chen, Xing-Qiu; Lin, Junhao
作者单位1.Tsinghua Univ, Tsinghua Berkeley Shenzhen Inst, Shenzhen Geim Graphene Ctr, Tsinghua Shenzhen Int Grad Sch, Shenzhen 518055, Peoples R China
2.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
5.Southern Univ Sci & Technol, Shenzhen Key Lab Adv Quantum Funct Mat & Devices, Shenzhen 518055, Peoples R China
6.Southern Univ Sci & Technol, Shenzhen Inst Quantum Sci & Engn SIQSE, Dept Phys, Shenzhen 518055, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Zenglong,Wang, Lei,Han, Mengjiao,et al. One-Step Growth of Bilayer 2H-1T' MoTe2 van der Waals Heterostructures with Interlayer-Coupled Resonant Phonon Vibration[J]. ACS NANO,2022:10.
APA Guo, Zenglong.,Wang, Lei.,Han, Mengjiao.,Zhao, Erding.,Zhu, Liang.,...&Lin, Junhao.(2022).One-Step Growth of Bilayer 2H-1T' MoTe2 van der Waals Heterostructures with Interlayer-Coupled Resonant Phonon Vibration.ACS NANO,10.
MLA Guo, Zenglong,et al."One-Step Growth of Bilayer 2H-1T' MoTe2 van der Waals Heterostructures with Interlayer-Coupled Resonant Phonon Vibration".ACS NANO (2022):10.

入库方式： OAI收割

来源：金属研究所

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