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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2004     Display Documents



  history
ID: 192974.0, MPI für Festkörperforschung / FKF Publikationen 2004
Spin dynamics at level crossing in molecular AF rings probed by NMR
Authors:Lascialfari, A.; Borsa, F.; Julien, M.-H.; Micotti, E.; Furukawa, D.; Jang, Z. H.; Cornia, A.; Gatteschi, D.; Horvatić, M.; van Slageren, J.
Language:English
Date of Publication (YYYY-MM-DD):2004
Title of Journal:Journal of Magnetism and Magnetic Materials
Volume:272-276
Start Page:1042
End Page:1047
Review Status:not specified
Audience:Not Specified
Abstract / Description:The low-temperature spin dynamics in molecular rings with a finite
number (N less than or equal to 10) of magnetic ions was studied by
means of H-1 NMR. When an external magnetic field (B) induces a
crossing between energy levels, peaks are observed in the spin-lattice
relaxation rate of protons, 1/T-1(B), at constant temperature. We
discuss similarities and differences in the data from three different
rings: Fe10, Fe6:Li and Cr8. (C) 2004 Elsevier B.V. All rights reserved.
Free Keywords:magnetic ring; nuclear relaxation rate; quantum tunneling
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:Univ Pavia, Dept Phys A Volta, I-27100 Pavia, Italy.
; Univ Pavia, Unita INFM, I-27100 Pavia, Italy.
; Iowa State Univ, Ames Lab, Dept Phys & Astron, Ames, IA 50011 USA.
; Univ Grenoble 1, Spectrometrie Phys Lab, F-38042 Grenoble, France.
; Hokkaido Univ, Div Phys, Grad Sch Sci, Sapporo, Hokkaido 0600810, Japan.
; Univ Modena, Dept Chem, I-41100 Modena, Italy.
; Univ Modena, Unita INSTM, I-41100 Modena, Italy.
; Univ Florence, Dept Chem, I-50019 Florence, Italy.
; Univ Florence, Unita INSTM, I-50019 Florence, Italy.
; CNRS, Grenoble High Magnet Field Lab, F-38042 Grenoble, France.
; MPI, FKF, F-38042 Grenoble, France.
Identifiers:ISI:000222236700127 [ID No:1]
ISSN:0304-8853 [ID No:2]
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