Electric-Field Control of Magnetism in Graphene Quantum Dots: Ab Initio Calculations

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Electric-Field Control of Magnetism in Graphene Quantum Dots: Ab Initio Calculations

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Title: Electric-Field Control of Magnetism in Graphene Quantum Dots: Ab Initio Calculations
Author: Agapito, Luis A.; Kioussis, Nicholas; Kaxiras, Efthimios

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Citation: Agapito, Luis A., Nicholas Kioussis, and Efthimios Kaxiras. 2010. "Electric-Field Control of Magnetism in Graphene Quantum Dots: Ab Initio Calculations." Physical Review B 82 (20): 201411.
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Abstract: Employing ab initio calculations we predict that the magnetic states of hydrogenated diamond-shaped zigzag graphene quantum dots (GQDs), each exhibiting unique electronic structure, can be selectively tuned with gate voltage, through Stark or hybridization electric-field modulation of the spatial distribution and energy of the spin-polarized molecular orbitals, leading to transitions between these states. Electrical read-out of the GQD magnetic state can be accomplished by exploiting the distinctive electrical properties of the various magnetic configurations.
Published Version: doi:10.1103/PhysRevB.82.201411
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3136875/pdf/nihms-308304.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:13479093
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