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http://hdl.handle.net/10397/82278
| Title: | Negative differential resistance effect of blue phosphorene-graphene heterostructure device | Authors: | Zhu, S Hu, TY Wu, KM Lam, CH Yao, KL Sun, HR Yip, CT |
Issue Date: | 2020 | Source: | Journal of physics communications, Mar. 2020, v. 4, no. 3, 035005, p. 1-5 | Abstract: | We report on the electrical transport properties of new graphene/blue phosphorene heterostructure devices by density functional theory (DFT) within the non-equilibrium Green's function (NEGF) approach. From the results, it is found that the devices with different length of contacts layers show semiconducting nature. The integrated contacted length of graphene/blue phosphorene two-layer device shows the best conductivity under a bias voltage. The negative differential resistance effect (NDR) is also found in the current-voltage curve of all the graphene/blue phosphorene devices. Transport characteristics can be explained by the eigenvalues of self-consistent Hamiltonian (MPSH). The results show that the device is fabricated from graphene/blue phosphorous and has good electrical conductivity. These interesting features will be useful for future electronic products. | Keywords: | Blue phosphorene Graphene Heterostructure Negative differential resistance First principles |
Publisher: | Institute of Physics Publishing | Journal: | Journal of physics communications | EISSN: | 2399-6528 | DOI: | 10.1088/2399-6528/ab7abd | Rights: | Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence (https://creativecommons.org/licenses/by/4.0/). Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. The following publication Si-Cong Zhu et al 2020 J. Phys. Commun. 4 035005 is available at https://dx.doi.org/10.1088/2399-6528/ab7abd |
| Appears in Collections: | Journal/Magazine Article |
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| Zhu_Blue_Phosphorene-graphene_Heterostructure.pdf | 859.24 kB | Adobe PDF | View/Open |
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