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Enhanced Spin Tunneling in a Molecular Magnet Mixed with a Superconductor
Tejada, Javier (Universitat de Barcelona. Departament de Física Fonamental)
Zarzuela, Ricardo (Universitat de Barcelona. Departament de Física Fonamental)
García Santiago, Antoni (Universitat de Barcelona. Departament de Física Fonamental)
Imaz, Inhar (Institut Català de Nanociència i Nanotecnologia)
Espín Martí, Jordi (Institut Català de Nanociència i Nanotecnologia)
Maspoch Comamala, Daniel (Institut Català de Nanociència i Nanotecnologia)
Chudnovsky, Eugene M. (The City University of New York)

Date: 2016
Abstract: We report characterization and magnetic studies of mixtures of micrometer-size ribbons of Mn acetate and micrometer-size particles of YBaCuO superconductor. Extremely narrow zero-field spin-tunneling resonance has been observed in the mixtures, pointing to the absence of the inhomogeneous dipolar broadening. It is attributed to the screening of the internal magnetic fields in the magnetic particles by Meissner currents flowing between superconducting grains surrounding the particles.
Note: Número d'acord de subvenció MINECO/MAT2011-23698
Rights: Tots els drets reservats.
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: Molecular magnet ; Spin tunneling ; Superconductor
Published in: Journal of superconductivity and novel magnetism, Vol. 29, Issue 5 (May 2016) , p. 1133-1137, ISSN 1557-1947

DOI: 10.1007/s10948-016-3474-6


Postprint
6 p, 2.9 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2019-06-12, last modified 2019-07-08



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