1966
DOI: 10.1016/0022-3697(66)90114-4
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A crystal field calculation in uranium dioxide

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Cited by 127 publications
(39 citation statements)
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“…The crystal-field potential was then found to be a factor of 3 smaller than proposed in Ref. 13. Intermultiplet transitions in UO 2 were reported by using optical techniques 16 and are in the energy range expected.…”
Section: Introductionmentioning
confidence: 66%
“…The crystal-field potential was then found to be a factor of 3 smaller than proposed in Ref. 13. Intermultiplet transitions in UO 2 were reported by using optical techniques 16 and are in the energy range expected.…”
Section: Introductionmentioning
confidence: 66%
“…As shown in Fig. 5(b), its contribution varies from literature to literature [28][29][30] and shows a certain degree from ∼500 to 2000 K. The C sp is due to disproportionation of cations in lattice, which is given by U 4+ = U 3+ + U 5+ . And through this reaction, the conduction electrons are induced at high temperature.…”
Section: Heat Capacitymentioning
confidence: 96%
“…[20,26]. The Schottky contribution originates from excitation of 5f-electrons in UO 2 [28][29][30][31]. Therefore, excitation states assigned by theoretical calculations or measurements influenced this contribution.…”
Section: Heat Capacitymentioning
confidence: 99%
“…[22] This is because of the covalent mixing of the U(5f) with ligand orbital. The other measure arises by considering the open shell character and which gives rise to the magnetic moment in many open shell compounds [24,25]. The nominal oxidation state would be a good guide to n 5f for this latter measure although it would have to be modified by many-body effects that involve excitations from dominantly ligand orbitals to dominantly U(5f) orbitals.…”
Section: Oxidation and Crystal Field Effects In Uraniummentioning
confidence: 99%