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Transport properties of Z-shaped phosphorene nanoribbon devices
Song, M. R.1; Shi, H. L.1; Jiang, Z. T.1; Ren, Y. H.1; Han, Q. Z.2
2020-08-10
Source PublicationMODERN PHYSICS LETTERS B
ISSN0217-9849
Volume34Issue:22Pages:13
AbstractBy using first-principles calculations and the non-equilibrium Green's function, we theoretically study the electronic transport properties of a Z-shaped phosphorene nanoribbon (PNR) device, which is called ZSZ-PNR because it is composed of a left zigzag PNR electrode, an intermediate skewed armchair PNR (saPNR), and a right zigzag PNR electrode. First, we investigate the influences of the length and the width of the central saPNR on the ZSZ-PNR transport. The results show that the negative differential conductance (NDC) always appears in the case of the short central saPNR, and is independent of its width, while the NDC is inclined to vanish with the increase of the length. Also, an anomaly on the current-voltage (I-V) curves is observed for the ZSZ-PNR with a short saPNR. Next, the transport properties are analyzed according to the evolution of the energy bands of the electrodes, the molecular energy levels (MELs) of the central saPNR, as well as the transmission coefficients, the transmission eigenstates, and the eigenstates of the self-consistent Hamiltonian of the saPNR. Finally, we use a top gate and two parallel gates to manipulate the transport of the ZSZ-PNR, and find that all these gates can strengthen or suppress the ZSZ-PNR transport.
KeywordDensity functional theory transport properties phosphorene nanoribbons
DOI10.1142/S0217984920502292
Language英语
WOS KeywordTRANSISTORS
Funding ProjectNational Natural Science Foundation of China[11774029] ; National Natural Science Foundation of China[11504374] ; National Key Research and Development Program of China[2017YFC0210304]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China
WOS IDWOS:000562050400008
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41746
Collection中国科学院过程工程研究所
Corresponding AuthorJiang, Z. T.
Affiliation1.Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Res Dept Environm Technol & Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Song, M. R.,Shi, H. L.,Jiang, Z. T.,et al. Transport properties of Z-shaped phosphorene nanoribbon devices[J]. MODERN PHYSICS LETTERS B,2020,34(22):13.
APA Song, M. R.,Shi, H. L.,Jiang, Z. T.,Ren, Y. H.,&Han, Q. Z..(2020).Transport properties of Z-shaped phosphorene nanoribbon devices.MODERN PHYSICS LETTERS B,34(22),13.
MLA Song, M. R.,et al."Transport properties of Z-shaped phosphorene nanoribbon devices".MODERN PHYSICS LETTERS B 34.22(2020):13.
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