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Isotope effects on the spin dynamics of single-molecule magnets probed using muon spin spectroscopy.
Tesi, Lorenzo; Salman, Zaher; Cimatti, Irene; Pointillart, Fabrice; Bernot, Kevin; Mannini, Matteo; Sessoli, Roberta.
Afiliação
  • Tesi L; Department of Chemistry "U. Schiff" - Università degli Studi di Firenze and INSTM UdR Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy. roberta.sessoli@unifi.it.
  • Salman Z; Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland. zaher.salman@psi.ch.
  • Cimatti I; Department of Chemistry "U. Schiff" - Università degli Studi di Firenze and INSTM UdR Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy. roberta.sessoli@unifi.it.
  • Pointillart F; Université de Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000 Rennes, France.
  • Bernot K; Université de Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000 Rennes, France.
  • Mannini M; Department of Chemistry "U. Schiff" - Università degli Studi di Firenze and INSTM UdR Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy. roberta.sessoli@unifi.it.
  • Sessoli R; Department of Chemistry "U. Schiff" - Università degli Studi di Firenze and INSTM UdR Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy. roberta.sessoli@unifi.it.
Chem Commun (Camb) ; 54(56): 7826-7829, 2018 Jul 10.
Artigo em Inglês | MEDLINE | ID: mdl-29947367
ABSTRACT
Muon spin relaxation (µSR) experiments on a single-molecule magnet enriched in different Dy isotopes detect unambiguously the slowing down of the zero field spin dynamics for the non-magnetic isotope. This occurs in the low temperature regime dominated by quantum tunnelling, in agreement with previous ac susceptibility investigations. In contrast to the latter, however, µSR is sensitive to all fluctuation modes affecting the lifetime of the spin levels.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Chem Commun (Camb) Assunto da revista: Química Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: Itália