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 we show that, despite the longitudinal anisotropy barrier and small transverse an...

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Detalles Bibliográficos
Autores principales: May, Falk, Wegewijs, Maarten R, Hofstetter, Walter
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2011
Materias:
Full Research Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3201623/
https://www.ncbi.nlm.nih.gov/pubmed/22043459
http://dx.doi.org/10.3762/bjnano.2.75
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author May, Falk
Wegewijs, Maarten R
Hofstetter, Walter
author_facet May, Falk
Wegewijs, Maarten R
Hofstetter, Walter
author_sort May, Falk
collection PubMed
description 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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spelling pubmed-32016232011-10-31 Interaction of spin and vibrations in transport through single-molecule magnets May, Falk Wegewijs, Maarten R Hofstetter, Walter Beilstein J Nanotechnol Full Research Paper 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. Beilstein-Institut 2011-10-18 /pmc/articles/PMC3201623/ /pubmed/22043459 http://dx.doi.org/10.3762/bjnano.2.75 Text en Copyright © 2011, May et al. https://creativecommons.org/licenses/by/2.0https://www.beilstein-journals.org/bjnano/termsThis is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (https://www.beilstein-journals.org/bjnano/terms)
spellingShingle Full Research Paper
May, Falk
Wegewijs, Maarten R
Hofstetter, Walter
Interaction of spin and vibrations in transport through single-molecule magnets
title Interaction of spin and vibrations in transport through single-molecule magnets
title_full Interaction of spin and vibrations in transport through single-molecule magnets
title_fullStr Interaction of spin and vibrations in transport through single-molecule magnets
title_full_unstemmed Interaction of spin and vibrations in transport through single-molecule magnets
title_short Interaction of spin and vibrations in transport through single-molecule magnets
title_sort interaction of spin and vibrations in transport through single-molecule magnets
topic Full Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3201623/
https://www.ncbi.nlm.nih.gov/pubmed/22043459
http://dx.doi.org/10.3762/bjnano.2.75
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