García-Suárez, Víctor M. and García-Fuente, Amador and Carrascal, Diego J. and Burzurí, Enrique and Koole, Max and van der Zant, Herre S. J. and El Abbassi, Maria and Calame, Michel and Ferrer, Jaime. (2018) Spin signatures in the electrical response of graphene nanogaps. Nanoscale, 10 (38). pp. 18169-18177.
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Official URL: https://edoc.unibas.ch/94489/
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Abstract
We analyse the electrical response of narrow graphene nanogaps in search for transport signatures stemming from spin-polarized edge states. We find that the electrical transport across graphene nanogaps having perfectly defined zigzag edges does not carry any spin-related signature. We also analyse the magnetic and electrical properties of nanogaps whose electrodes have wedges that possibly occur in the currently fabricated nanogaps. These wedges can host spin polarized wedge low-energy states due to the bipartite nature of the graphene lattice. We find that these spin-polarized low-energy modes give rise to low-voltage signatures in the differential conductance and to distinctive features in the stability diagrams. These are caused by fully spin-polarized currents.
Faculties and Departments: | 05 Faculty of Science > Departement Physik 05 Faculty of Science > Departement Physik > Physik |
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UniBasel Contributors: | Calame, Michel |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Royal Society of Chemistry |
ISSN: | 2040-3364 |
e-ISSN: | 2040-3372 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 08 May 2023 13:14 |
Deposited On: | 08 May 2023 13:14 |
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