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Title: Proton spin-lattice relaxation at low temperature in the ferromagnetic spin ring Cu6

Abstract

We report {sup 1}H nuclear magnetic resonance spin-lattice relaxation rate (NSLR) measurements as a function of temperature (1.5-4.2 K) and as a function of applied magnetic field (0.2-8.2 T) in the molecular magnet [(PhSiO{sub 2}){sub 6}Cu{sub 6}(O{sub 2}SiPh){sub 6}] in short Cu6. The results are explained in terms of a simple model whereby the NSLR is driven by the fluctuations of the local hyperfine field due to the reorientation of the total spin of the molecule in its ground state. From the analysis of the data, we infer the temperature and field dependence of the characteristic rate of the fluctuations of the total magnetization of the Cu6 ring in its ground state. (c) 2000 American Institute of Physics.

Authors:
 [1];  [2];  [1];  [1]
  1. Department of Physics and Astronomy, Iowa State University and Ames Laboratory, Ames, Iowa 50011 (United States)
  2. Dipartimento di Fisica Generale ''A. Volta'' dell'Universita', and INFM, 127100 Pavia, (Italy)
Publication Date:
OSTI Identifier:
20216266
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 87; Journal Issue: 9; Other Information: PBD: 1 May 2000; Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COPPER; MOLECULAR CLUSTERS; SPIN-LATTICE RELAXATION; FERROMAGNETIC MATERIALS; TEMPERATURE DEPENDENCE; NUCLEAR MAGNETIC RESONANCE; PROTONS; MAGNETIZATION; EXPERIMENTAL DATA

Citation Formats

Furukawa, Y., Lascialfari, A., Jang, Z. H., and Borsa, F. Proton spin-lattice relaxation at low temperature in the ferromagnetic spin ring Cu6. United States: N. p., 2000. Web. doi:10.1063/1.372674.
Furukawa, Y., Lascialfari, A., Jang, Z. H., & Borsa, F. Proton spin-lattice relaxation at low temperature in the ferromagnetic spin ring Cu6. United States. doi:10.1063/1.372674.
Furukawa, Y., Lascialfari, A., Jang, Z. H., and Borsa, F. Mon . "Proton spin-lattice relaxation at low temperature in the ferromagnetic spin ring Cu6". United States. doi:10.1063/1.372674.
@article{osti_20216266,
title = {Proton spin-lattice relaxation at low temperature in the ferromagnetic spin ring Cu6},
author = {Furukawa, Y. and Lascialfari, A. and Jang, Z. H. and Borsa, F.},
abstractNote = {We report {sup 1}H nuclear magnetic resonance spin-lattice relaxation rate (NSLR) measurements as a function of temperature (1.5-4.2 K) and as a function of applied magnetic field (0.2-8.2 T) in the molecular magnet [(PhSiO{sub 2}){sub 6}Cu{sub 6}(O{sub 2}SiPh){sub 6}] in short Cu6. The results are explained in terms of a simple model whereby the NSLR is driven by the fluctuations of the local hyperfine field due to the reorientation of the total spin of the molecule in its ground state. From the analysis of the data, we infer the temperature and field dependence of the characteristic rate of the fluctuations of the total magnetization of the Cu6 ring in its ground state. (c) 2000 American Institute of Physics.},
doi = {10.1063/1.372674},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 9,
volume = 87,
place = {United States},
year = {2000},
month = {5}
}