The mol. nanomagnet [LiFe6(OCH3)12(dbm)6]BPh4·5CH2Cl2 (Fe6:Li in short) is formed by six Fe(III) s = 5/2 spins arranged in an almost coplanar ring with antiferromagnetic (AFM) nearest-neighbor coupling const. J/kB∼20 K. The authors report 7Li NMR spectra and nuclear spin-lattice relaxation rate (NSLR) measurements as a function of temp. from 1.5 to 50 K with applied field H = 1.5 T. No evidence of quadrupole effects was found on the 7Li NMR spectrum within the linewidth resoln. (∼25 kHz) ruling against a mol. distortion. The 7Li NSLR is compared with the 1H NSLR results in Fe6:Li and in other AFM rings.

Li-7 Nuclear Magnetic Resonance in the Hexairon(III) Antiferromagnetic Molecular Ring Fe6:Li / A., Lascialfari; F., Borsa; M., Corti; E., Micotti; Y., Furukawa; Cornia, Andrea; D., Gatteschi. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - STAMPA. - 95:11(2004), pp. 6879-6881. [10.1063/1.1687225]

Li-7 Nuclear Magnetic Resonance in the Hexairon(III) Antiferromagnetic Molecular Ring Fe6:Li

CORNIA, Andrea;
2004

Abstract

The mol. nanomagnet [LiFe6(OCH3)12(dbm)6]BPh4·5CH2Cl2 (Fe6:Li in short) is formed by six Fe(III) s = 5/2 spins arranged in an almost coplanar ring with antiferromagnetic (AFM) nearest-neighbor coupling const. J/kB∼20 K. The authors report 7Li NMR spectra and nuclear spin-lattice relaxation rate (NSLR) measurements as a function of temp. from 1.5 to 50 K with applied field H = 1.5 T. No evidence of quadrupole effects was found on the 7Li NMR spectrum within the linewidth resoln. (∼25 kHz) ruling against a mol. distortion. The 7Li NSLR is compared with the 1H NSLR results in Fe6:Li and in other AFM rings.
2004
95
11
6879
6881
Li-7 Nuclear Magnetic Resonance in the Hexairon(III) Antiferromagnetic Molecular Ring Fe6:Li / A., Lascialfari; F., Borsa; M., Corti; E., Micotti; Y., Furukawa; Cornia, Andrea; D., Gatteschi. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - STAMPA. - 95:11(2004), pp. 6879-6881. [10.1063/1.1687225]
A., Lascialfari; F., Borsa; M., Corti; E., Micotti; Y., Furukawa; Cornia, Andrea; D., Gatteschi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/305068
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