1984
DOI: 10.1016/0038-1098(84)90496-4
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Effective 4ƒ energy level in virtual excitation and in photoemission processes in Ce-pnictides

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Cited by 67 publications
(7 citation statements)
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“…Early photoemission studies [36,48,50,51] on CeX (X = Bi, Sb) have revealed two peaks in the 4f photoemission peaks, at approximately 0.6 eV and 3.0 eV below the Fermi level. These peaks are attributed to hybridization between the induced 4f photohole and the conduction 6p electrons from the X atoms; this hybridization leads to antibonding and bonding states, which respectively account for the 0.6 and 3.0 eV peaks [29,52,53]. These double peaks encode correlation effects through dynamical screening from the intra-atomic d-f Coulomb interaction [53,54].…”
Section: Review Of Low-carrier Strongly-correlated Cerium Monopnictidesmentioning
confidence: 99%
“…Early photoemission studies [36,48,50,51] on CeX (X = Bi, Sb) have revealed two peaks in the 4f photoemission peaks, at approximately 0.6 eV and 3.0 eV below the Fermi level. These peaks are attributed to hybridization between the induced 4f photohole and the conduction 6p electrons from the X atoms; this hybridization leads to antibonding and bonding states, which respectively account for the 0.6 and 3.0 eV peaks [29,52,53]. These double peaks encode correlation effects through dynamical screening from the intra-atomic d-f Coulomb interaction [53,54].…”
Section: Review Of Low-carrier Strongly-correlated Cerium Monopnictidesmentioning
confidence: 99%
“…25,30,39,40 This has been explained by the large peak of HI in the valence band region. 26,29,30 T K has been calculated by using the same HI on the basis of the impurity model. 41,42 It is very low, about 10 −5 K because of the small density of states near E F .…”
Section: Introductionmentioning
confidence: 99%
“…In α-Ce, T K of the auxiliary impurity model becomes very high about 1700 K.CeSb would be a first material for which HI calculated by the realistic band is used in the analysis of PES. 26,29,30 The hybridization matrix is not small in the valence band region of Sb p states. In the energy region near E F the density of states of bands is small reflecting the semi-metallic nature of the band structures.…”
mentioning
confidence: 99%
“…The value of ε f depends on the magnitude of the pf hybridization matrix element. 35) On the other hand, the energy of the peak directly corresponds to the band energy difference…”
Section: ) §4 Optical Conductivity Spectramentioning
confidence: 99%
“…The value of ε f depends on the magnitude of the pf hybridization matrix element. 35) On the other hand, the energy of the peak directly corresponds to the band energy difference E p (X Z ) − E d (X Z ). Therefore, the present choice means that the later calculation is carried out based on the band parameters which give the band energy difference 0.4 eV in the ferromagnetic phase at X Z .…”
Section: §1 Introductionmentioning
confidence: 99%