Pressure effect on the electronic, structural, and vibrational properties of layered 2H-MoTe2
文献类型:期刊论文
作者 | Zhao, Xiao-Miao1,2,3; Liu, Han-yu3; Goncharov, Alexander F.3; Zhao, Zhi-Wei2; Struzhkin, Viktor V.3; Mao, Ho-Kwang1,3; Gavriliuk, Alexander G.4,5,6; Chen, Xiao-Jia1,3,7 |
刊名 | PHYSICAL REVIEW B |
出版日期 | 2019-01-28 |
卷号 | 99期号:2页码:6 |
ISSN号 | 2469-9950 |
DOI | 10.1103/PhysRevB.99.024111 |
英文摘要 | Layered molybdenum dichalchogenides differ from the classic example of bilayer graphene with their unique electronic properties: the application of pressure can continuously tune electronic structure since the band gap is controlled by delicate interlayer interaction. Here, we have performed measurements of Raman scattering, synchrotron x-ray diffraction, electrical conductivity, and Hall coefficient combined with density functional theory calculations to synthetically study the pressure effect on 2H-MoTe2. Both the experiments and calculations consistently demonstrate that MoTe2 undergoes a semiconductor-to-metallic (S-M) transition above 10 GPa. Unlike MoS2, the S-M transition is driven by the gradual tunability of electric structure and band gap without structural transition. The applied pressure also effectively enhances conductivity and carrier concentration while reducing the mobility, which makes MoTe2 more suitable for applications than most other transition-metal dichalchogenides and allows it to be applied in strain-modulated optoelectronic devices. |
WOS关键词 | FIELD-EFFECT TRANSISTORS ; MONOLAYER MOS2 ; BAND-GAP ; TRANSITION ; MOTE2 ; EVOLUTION ; MOBILITY |
资助项目 | Doctoral Fund of Henan University of Technology[2018BS004] ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology[2018QNJH29] ; National Natural Science Foundation of China[51304063] ; DOE[DE-FG02-02ER45955] ; RScF[16-12-10464] |
WOS研究方向 | Materials Science ; Physics |
语种 | 英语 |
出版者 | AMER PHYSICAL SOC |
WOS记录号 | WOS:000456812100001 |
资助机构 | Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Doctoral Fund of Henan University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; Fundamental Research Funds for the Henan Provincial Colleges and University of Technology ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; DOE ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF ; RScF |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/41556] |
专题 | 合肥物质科学研究院_中科院固体物理研究所 |
通讯作者 | Chen, Xiao-Jia |
作者单位 | 1.Centerfor High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China 2.Henan Univ Technol, Coll Mat Sci & Engn, Zhengzhou 450001, Henan, Peoples R China 3.Carnegie Inst Sci, Geophys Lab, 5251 Broad Branch Rd NW, Washington, DC 20015 USA 4.Russian Acad Sci, Inst Nucl Res, Troitsk 108840, Russia 5.Russian Acad Sci, FSRC Crystallog & Photon, Moscow 119333, Russia 6.Immanuel Kant Baltic Fed Univ, REC Funct Nanomat, Kaliningrad 236041, Russia 7.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Zhao, Xiao-Miao,Liu, Han-yu,Goncharov, Alexander F.,et al. Pressure effect on the electronic, structural, and vibrational properties of layered 2H-MoTe2[J]. PHYSICAL REVIEW B,2019,99(2):6. |
APA | Zhao, Xiao-Miao.,Liu, Han-yu.,Goncharov, Alexander F..,Zhao, Zhi-Wei.,Struzhkin, Viktor V..,...&Chen, Xiao-Jia.(2019).Pressure effect on the electronic, structural, and vibrational properties of layered 2H-MoTe2.PHYSICAL REVIEW B,99(2),6. |
MLA | Zhao, Xiao-Miao,et al."Pressure effect on the electronic, structural, and vibrational properties of layered 2H-MoTe2".PHYSICAL REVIEW B 99.2(2019):6. |
入库方式: OAI收割
来源:合肥物质科学研究院
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