Electron transitions in magnetic clusters Mn12-Ac at submillimeter wavelengths

Mukhin, Aa; Travkin, Vd; Zvezdin, Ak; Caneschi, Andrea; Gatteschi, Dante; Sessoli, Roberta

doi:10.1016/S0921-4526(99)02472-2

Crystal field transitions inside the ground S = 10 multiplet of magnetic clusters Mn12-Ac have been observed in transmission spectra in the wave number range 3-33 cm(-1). The temperature dependence of the resonance frequencies, line widths and mode contributions to the magnetic permeability at T = 3-35 K are consistent on the whole with a spin S = 10 ground split by a tetragonal crystal field. However, some deviation between the calculated and observed mode contributions at high temperatures suggest the presence of other Mn12-Ac excited multiplets with S not equal 10.

Electron transitions in magnetic clusters Mn12-Ac at submillimeter wavelengths / Mukhin AA; Travkin VD; Zvezdin AK; Caneschi A; Gatteschi D; Sessoli R. - In: PHYSICA. B, CONDENSED MATTER. - ISSN 0921-4526. - STAMPA. - 284(2000), pp. 1221-1222. [10.1016/S0921-4526(99)02472-2]

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Titolo:	Electron transitions in magnetic clusters Mn12-Ac at submillimeter wavelengths
Autori di Ateneo:	Mukhin AA Travkin VD Zvezdin AK CANESCHI, ANDREA GATTESCHI, DANTE SESSOLI, ROBERTA mostra contributor esterni nascondi contributor esterni
Autori:	Mukhin AA; Travkin VD; Zvezdin AK; CANESCHI, ANDREA; GATTESCHI, DANTE; SESSOLI, ROBERTA
Anno di registrazione:	2000
Rivista:	PHYSICA. B, CONDENSED MATTER
Volume:	284
Pagina iniziale:	1221
Pagina finale:	1222
Abstract:	Crystal field transitions inside the ground S = 10 multiplet of magnetic clusters Mn12-Ac have been observed in transmission spectra in the wave number range 3-33 cm(-1). The temperature dependence of the resonance frequencies, line widths and mode contributions to the magnetic permeability at T = 3-35 K are consistent on the whole with a spin S = 10 ground split by a tetragonal crystal field. However, some deviation between the calculated and observed mode contributions at high temperatures suggest the presence of other Mn12-Ac excited multiplets with S not equal 10.
Handle:	http://hdl.handle.net/2158/390702
Appare nelle tipologie:	1a - Articolo su rivista

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