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Electric control of spin states in frustrated triangular molecular magnets
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering. (Condensed Matter Theory)
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering. (Condensed Matter Theory)
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.ORCID iD: 0000-0003-4489-7561
(Office of Basic Energy Sciences, U.S. Department of Energy)
(English)Manuscript (preprint) (Other academic)
Abstract [en]

Frustrated triangular molecular magnets are a very important class of magnetic molecules. Ex-ternal electric fields can couple to the spin chirality of such molecules. The coupling exists evenin the absence of spin-orbit interaction. Spin-electric coupling in these molecular magnets (MMs)represents a very efficient and fast way of manipulating the magnetic states of the MM. This manip-ulation can be achieved via a localized electric field generated, e.g., by a nearby Scanning TunnelingMicroscope tip, with possible applications in quantum information processing. The efficiency of thiscoupling depends on the electric dipole moment between chiral states. In this paper we report onfirst-principles calculations of spin-electric coupling in several triangular molecules. We discuss theunderlying mechanism leading to an enhanced coupling, which can be used as a convenient guide tosynthesize MMs that can respond more efficiently to an external electric field.

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Condensed Matter Physics
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URN: urn:nbn:se:lnu:diva-28080OAI: oai:DiVA.org:lnu-28080DiVA: diva2:640240
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Paper III of Javier Nossa's thesis
Available from: 2013-08-13 Created: 2013-08-13 Last updated: 2017-05-31

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Nossa, JavierIslam, FhokrulCanali, Carlo M.

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