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Description
| - We report the results of neutron spectroscopy for a tetranuclear iron cluster, Fe-4(OCH3)(6)(dpm)(6))6 (Hdpm = dipivaloylmethane), having an S = 5 spin ground state. The experiments were carried out on a deuterated powder sample at ILL, Grenoble. The transitions within the ground multiplet, below 0.3 meV, were measured with a high-resolution time-of-flight spectrometer. Taking into account the presence of three different isomers, the parameters of the zero-field-splitting Hamiltonian have been determined. The results are discussed with reference to high-field electron paramagnetic resonance data. A non-dispersive peak at 7.8 meV, detected at T = 1.4 K using a three-axis spectrometer with polarization analysis, is interpreted as the transition between the S = 5 ground state and the two degenerate S = 4 excited multiplets. The Q dependence of the cross section is discussed in comparison with the theoretical model.
- We report the results of neutron spectroscopy for a tetranuclear iron cluster, Fe-4(OCH3)(6)(dpm)(6))6 (Hdpm = dipivaloylmethane), having an S = 5 spin ground state. The experiments were carried out on a deuterated powder sample at ILL, Grenoble. The transitions within the ground multiplet, below 0.3 meV, were measured with a high-resolution time-of-flight spectrometer. Taking into account the presence of three different isomers, the parameters of the zero-field-splitting Hamiltonian have been determined. The results are discussed with reference to high-field electron paramagnetic resonance data. A non-dispersive peak at 7.8 meV, detected at T = 1.4 K using a three-axis spectrometer with polarization analysis, is interpreted as the transition between the S = 5 ground state and the two degenerate S = 4 excited multiplets. The Q dependence of the cross section is discussed in comparison with the theoretical model. (en)
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Title
| - Intra- and inter-multiplet neutron transitions in an Fe-4 magnetic cluster.
- Intra- and inter-multiplet neutron transitions in an Fe-4 magnetic cluster. (en)
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skos:prefLabel
| - Intra- and inter-multiplet neutron transitions in an Fe-4 magnetic cluster.
- Intra- and inter-multiplet neutron transitions in an Fe-4 magnetic cluster. (en)
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skos:notation
| - RIV/61389005:_____/02:49033055!RIV/2004/AV0/A49004/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61389005:_____/02:49033055
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - spectroscopy; scattering; spectra (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - APPLIED PHYSICS. A-MATERIALS SCIENCE & PROCESSING
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...ocetUcastnikuAkce
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http://linked.open...nichUcastnikuAkce
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Caciuffo, R.
- Kulda, Jiří
- Amoretti, G.
- Carretta, S.
- Cornia, A.
- Gatteschi, D.
- Liviotti, E.
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issn
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number of pages
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