CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order
Yang, TY; Wan, Q; Yan, DY; Zhu, Z; Wang, ZW; Peng, C; Huang, YB; Yu, R; Hu, J; Mao, ZQ; Li, S; Yang, SYA; Zheng, H; Jia, JF; Shi, YG; Xu, N
2020
Source PublicationNATURE MATERIALS
ISSN1476-1122
Volume19Issue:1Pages:27-
Subtype期刊论文
AbstractOne or a few layers of van der Waals (vdW) materials are promising for applications in nanoscale electronics. Established properties include high mobility in graphene, a large direct gap in monolayer MoS2, the quantum spin Hall effect in monolayer WTe2 and so on. These exciting properties arise from electron quantum confinement in the two-dimensional limit. Here, we use angle-resolved photoemission spectroscopy to reveal directional massless Dirac fermions due to one-dimensional confinement of carriers in the layered vdW material NbSi0.45Te2. The one-dimensional directional massless Dirac fermions are protected by non-symmorphic symmetry, and emerge from a stripe-like structural modulation with long-range translational symmetry only along the stripe direction as we show using scanning tunnelling microscopy. Our work not only provides a playground for investigating further the properties of directional massless Dirac fermions, but also introduces a unique component with one-dimensional long-range order for engineering nano-electronic devices based on heterostructures of vdW materials.
KeywordELECTRONIC BAND-STRUCTURE MONOLAYER SUPERCONDUCTIVITY FERROMAGNETISM CONDUCTION DISCOVERY
DOI10.1038/s41563-019-0494-1
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32797
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Wuhan Univ, Inst Adv Studies, Wuhan, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Phys, Beijing, Peoples R China
4.Univ Chinese Acad Sci, Sch Phys Sci, Beijing, Peoples R China
5.Shanghai Jiao Tong Univ, Sch Phys & Astron, Key Lab Artificial Struct & Quantum Control, Minist Educ,Shenyang Natl Lab Mat Sci, Shanghai, Peoples R China
6.Wuhan Univ, Sch Phys & Technol, Wuhan, Peoples R China
7.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai, Peoples R China
8.Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA
9.Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
10.Singapore Univ Technol & Design, Res Lab Quantum Mat, Singapore, Singapore (1
11.Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai, Peoples R China
12.Songshan Lake Mat Lab, Dongguan, Peoples R China
Recommended Citation
GB/T 7714
Yang, TY,Wan, Q,Yan, DY,et al. Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order[J]. NATURE MATERIALS,2020,19(1):27-.
APA Yang, TY.,Wan, Q.,Yan, DY.,Zhu, Z.,Wang, ZW.,...&Xu, N.(2020).Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order.NATURE MATERIALS,19(1),27-.
MLA Yang, TY,et al."Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order".NATURE MATERIALS 19.1(2020):27-.
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