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Titolo:
Theory of NMR in the molecular ring Fe10
Autore:
Cornia, A; Fort, A; Pini, MG; Rettori, A;
Indirizzi:
Univ Modena & Reggio Emilia, Dipartimento Chim, I-41100 Modena, Italy UnivModena & Reggio Emilia Modena Italy I-41100 , I-41100 Modena, Italy Univ Florence, Dipartimento Fis, I-50125 Florence, Italy Univ Florence Florence Italy I-50125 imento Fis, I-50125 Florence, Italy INFM, I-50125 Florence, Italy INFM Florence Italy I-50125INFM, I-50125 Florence, Italy CNR, Ist Elettron Quantist, I-50127 Florence, Italy CNR Florence Italy I-50127 st Elettron Quantist, I-50127 Florence, Italy
Titolo Testata:
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
, volume: 226, anno: 2001,
parte:, 2
pagine: 2009 - 2011
SICI:
0304-8853(200105)226:<2009:TONITM>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
CLUSTERS; FE-10;
Keywords:
magnetic molecular materials; NMR-relaxation; NMR-theory; magnetic coupling-antiferromagnetic;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Pini, MG Univ Modena & Reggio Emilia, Dipartimento Chim, I-41100 Modena, Italy Univ Modena & Reggio Emilia Modena Italy I-41100 Modena, Italy
Citazione:
A. Cornia et al., "Theory of NMR in the molecular ring Fe10", J MAGN MAGN, 226, 2001, pp. 2009-2011

Abstract

The proton nuclear spin-lattice relaxation rate in the molecular ring Fe10is calculated by linear response theory, starting from the unperturbed eigenvalues and eigenvectors, and introducing dipolar superhyperfine interactions as a perturbation. A strong enhancement of the rate at critical values of the applied magnetic field, recently observed by solid-state NMR at low temperatures, is explained in terms of level crossing between states with \DeltaS\ = 1 and \DeltaM\ = 1. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 07:18:56