Interaction of spin and vibrations in transport through single-molecule magnets

We study electron transport through a single-molecule magnet (SMM) and the interplay of its anisotropic spin with quantized vibrational distortions of the molecule. Based on numerical renormalization group calculations w
We study electron transport through a single-molecule magnet (SMM) and the interplay of its anisotropic spin with quantized vibrational distortions of the molecule. Based on numerical renormalization group calculations we show that, despite the longitudinal anisotropy barrier and small transverse anisotropy, vibrational fluctuations can induce quantum spin-tunneling (QST) and a QST-Kondo effect. The interplay of spin scattering, QST and molecular vibrations can strongly enhance the Kondo effect and induce an anomalous magnetic field dependence of vibrational Kondo side-bands.
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Metadaten
Author:Falk May, Maarten R. Wegewijs, Walter Hofstetter
URN:urn:nbn:de:hebis:30:3-263508
DOI:http://dx.doi.org/10.3762/bjnano.2.75
ISSN:2190-4286
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=22043459
Parent Title (English):Beilstein journal of nanotechnology
Publisher:Beilstein-Institut zur Förderung der Chemischen Wissenschaften
Place of publication:Frankfurt, M.
Document Type:Article
Language:English
Date of Publication (online):2011/10/16
Date of first Publication:2011/10/16
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2012/09/18
Tag:molecular electronic devices; molecular magnets; nanoelectronic devices; quantum dots
Volume:2
Pagenumber:6
First Page:693
Last Page:698
Note:
© 2011 May et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 2.0

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