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Resonant Scattering in Proximity-Coupled Graphene/Superconducting Mo2C Heterostructures
Hao, Meng1,2; Xu, Chuan3; Wang, Cheng1,2; Liu, Zhen1,2; Sun, Su3; Liu, Zhibo3; Cheng, Hui-Ming3; Ren, Wencai3; Kang, Ning1,2
Corresponding AuthorRen, Wencai(wcren@imr.ac.cn) ; Kang, Ning(nkang@pku.edu.cn)
2022-05-23
Source PublicationADVANCED SCIENCE
Pages8
AbstractThe realization of high-quality heterostructures or hybrids of graphene and superconductor is crucial for exploring various novel quantum phenomena and devices engineering. Here, the electronic transport on directly grown high-quality graphene/Mo2C vertical heterostructures with clean and sharp interface is comprehensively investigated. Owing to the strong interface coupling, the graphene layer feels an effective confinement potential well imposed by two-dimensional (2D) Mo2C crystal. Employing cross junction device geometry, a series of resonance-like magnetoresistance peaks are observed at low temperatures. The temperature and gate voltage dependences of the observed resonance peaks give evidence for geometric resonance of electron cyclotron orbits with the formed potential well. Moreover, it is found that both the amplitude of resonance peaks and conductance fluctuation exhibit different temperature-dependent behaviors below the superconducting transition temperature of 2D Mo2C, indicating the correlation of quantum fluctuations and superconductivity. This study offers a promising route toward integrating graphene with 2D superconducting materials, and establishes a new way to investigate the interplay of massless Dirac fermion and superconductivity based on graphene/2D superconductor vertical heterostructures.
Keyword2D materials graphene heterostructure proximity effect resonant scattering
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Institute of Metal Research, Chinese Academy of Sciences
DOI10.1002/advs.202201343
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[11974026] ; National Natural Science Foundation of China[11774005] ; National Natural Science Foundation of China[52188101] ; National Natural Science Foundation of China[51802314] ; National Natural Science Foundation of China[52122202] ; National Natural Science Foundation of China[51521091] ; National Natural Science Foundation of China[51802315] ; National Key Research and Development Program of China[2017YFA0303304] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB30000000] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2018223] ; Institute of Metal Research, Chinese Academy of Sciences[2019000178]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000798761500001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173999
Collection中国科学院金属研究所
Corresponding AuthorRen, Wencai; Kang, Ning
Affiliation1.Peking Univ, Key Lab Phys & Chem Nanodevices, Sch Elect, Beijing 100871, Peoples R China
2.Peking Univ, Ctr Carbon Based Elect, Sch Elect, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Hao, Meng,Xu, Chuan,Wang, Cheng,et al. Resonant Scattering in Proximity-Coupled Graphene/Superconducting Mo2C Heterostructures[J]. ADVANCED SCIENCE,2022:8.
APA Hao, Meng.,Xu, Chuan.,Wang, Cheng.,Liu, Zhen.,Sun, Su.,...&Kang, Ning.(2022).Resonant Scattering in Proximity-Coupled Graphene/Superconducting Mo2C Heterostructures.ADVANCED SCIENCE,8.
MLA Hao, Meng,et al."Resonant Scattering in Proximity-Coupled Graphene/Superconducting Mo2C Heterostructures".ADVANCED SCIENCE (2022):8.
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