We present the results of recent muon-spin rotation (muSR) experiments on a variety of novel molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. The spin-crossover phenomenon has been studied in Fe(PM-PEA)(2)(NCS)(2), which shows Gaussian and root-exponential muon relaxation in the high-spin and low-spin phases, respectively. Dy spin fluctuations have been studied with muSR in the ferrimagnetic chain Dy(hfac)(3)(NITEt). Experiments on a disc-shaped molecular complex containing Fe-19 (with spin 31/2) reveal the effects of quantum tunneling of magnetization and allow an estimate of the quantum tunneling rate.

Muon study of molecular magnets, spin crossover and magnetic nanodiscs / Blundell SJ; Pratt FL; Marshall IM; Steer CA; Hayes W; Letard JF; Heath SL; Caneschi A; Gatteschi D. - In: SYNTHETIC METALS. - ISSN 0379-6779. - STAMPA. - 133(2003), pp. 531-533. [10.1016/S0379-6779(02)00424-1]

Muon study of molecular magnets, spin crossover and magnetic nanodiscs

CANESCHI, ANDREA;GATTESCHI, DANTE
2003

Abstract

We present the results of recent muon-spin rotation (muSR) experiments on a variety of novel molecular magnetic systems. Muons are sensitive to local static fields and magnetic fluctuations, but can probe much more than just the onset of long-range magnetic order. The spin-crossover phenomenon has been studied in Fe(PM-PEA)(2)(NCS)(2), which shows Gaussian and root-exponential muon relaxation in the high-spin and low-spin phases, respectively. Dy spin fluctuations have been studied with muSR in the ferrimagnetic chain Dy(hfac)(3)(NITEt). Experiments on a disc-shaped molecular complex containing Fe-19 (with spin 31/2) reveal the effects of quantum tunneling of magnetization and allow an estimate of the quantum tunneling rate.
133
531
533
Blundell SJ; Pratt FL; Marshall IM; Steer CA; Hayes W; Letard JF; Heath SL; Caneschi A; Gatteschi D
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2158/390646
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