| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Thermal spin molecular logic gates modulated by an electric field |
| Xingyi Tan(谭兴毅)1,†, Qiang Li(李强)2, and Dahua Ren(任达华)2 |
1 Department of Physics, Chongqing Three Gorges University, Wanzhou 404100, China;
2 College of Intelligent Systems Science and Engineering, Hubei Minzu University, Enshi 445000, China |
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Abstract Logic gates are fundamental structural components in all modern digital electronic devices. Here, nonequilibrium Green's functions are incorporated with the density functional theory to verify the thermal spin transport features of the single-molecule spintronic devices constructed by a single molecule in series or parallel connected with graphene nanoribbons electrodes. Our calculations demonstrate that the electric field can manipulate the spin-polarized current. Then, a complete set of thermal spin molecular logic gates are proposed, including AND, OR, and NOT gates. The mentioned logic gates enable different designs of complex thermal spin molecular logic functions and facilitate the electric field control of thermal spin molecular devices.
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Received: 02 June 2022
Revised: 02 August 2022
Accepted manuscript online: 16 August 2022
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PACS:
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71.15.Mb
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(Density functional theory, local density approximation, gradient and other corrections)
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61.72.uj
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(III-V and II-VI semiconductors)
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74.78.Fk
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(Multilayers, superlattices, heterostructures)
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| Fund: Project supported by the Natioanl Natural Science Foundation of China (Grant No. 11864011) and in part by Youth Project of Scientific and technological Research Program of Chongqing Education Commission (Grant No. KJQN202101204). |
Corresponding Authors:
Xingyi Tan
E-mail: tanxy@sanxiau.edu.cn
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Cite this article:
Xingyi Tan(谭兴毅), Qiang Li(李强), and Dahua Ren(任达华) Thermal spin molecular logic gates modulated by an electric field 2023 Chin. Phys. B 32 057101
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