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]
Electron transitions in magnetic clusters Mn12-Ac at submillimeter wavelengths
CANESCHI, ANDREA;GATTESCHI, DANTE;SESSOLI, ROBERTA
2000
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.File | Dimensione | Formato | |
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