Calculated photoemission spectra of the 4f states in the rare-earth metals

Gerken, F.

doi:10.1088/0305-4608/13/3/021

Cited by 200 publications

(91 citation statements)

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“…Taking into account that the resonance occurs only for partly occupied stateS, we can connect these structures with presence of 4f 13 state. The shape of this stucture corresponds quite well to the final-state multiplet splitting calculated by Gerken [3]. The energy separation between the peaks is also similar to that obtained for Yb 2O3 [4].…”

Section: Resultssupporting

confidence: 85%

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

et al. 1996

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Photoemission measurements using synchrotron radiation were performed on PbYbTe (bulk crystal) and CdYbTe (MBE thin falm). The resonant enhancement of the photoemission was applied for investigation of the contribution of Yb 4f electrons to the valence band. The set of the energy distribution curves was collected for energies in the region close to the 4d-4f Fano transition. The Yb 4f 14 were observed at the binding energies close to the edge of the valence band while the 4f 13 states were revealed deep in the valence band. (943) 944 K. Szamota-Sadowska et al.

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Section: Resultssupporting

confidence: 85%

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

et al. 1996

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“…4) with an "arrest" at about 1 ML, lasting until about 3 ML, after which it drops more rapidly. The resistivity in this arrest is 3 Although charging prevented…”

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confidence: 98%

New Metastable Nonmetallic Phase of Europium

Olson

Chen

et al. 1995

Phys. Rev. Lett.

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“…In order to compare our experimental results with the calculated Gd 4f7 --4f 6 photoemission spectra [5], the calculated multiplet lines which correspond to the different values of the quantum number J, were convoluted with the Voigt line shape. It was assumed that the broadening of the lines was equal for both systems.…”

Section: Experimentai Resuits and Discussionmentioning

confidence: 99%

4f Shell of Gd²⁺and Gd³⁺Ions in Sn_1-xGd_xTe - Resonant Photoemission Study

et al. 1997

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Introduction Like many other diluted magnetic semiconductors (DMSs), Sn 1-xGdxTe attracts persistent interest because of its magnetic, optical and electric properties. It is well known tlat the basic properties of DMSs are determined by interaction between magnetic ions and band electrons of the host crystal. Thus, the energy distribution of the d states of a transition metal or the f states of a rare-earth (RE) element with respect to the band structure of the crystal is an important factor which influences its properties.However, the properties of Sn1-xGdxΤe differ markedly from those of many other DMSs. The recently proposed model [1,2] predicts that the f-f coupling proceeds via f -d intra-ion and d-d inter-ion interaction. So, the energy positions of the 4f and 5d shells as well as the number of bound electrons are the crucial elements which characterize the system. For Sn1-x Gdx Te, it is exceptionally difficult to give an experimental 'answer whether the Gd 5d shell is occupied or empty. This is because in Sn1-xGdxTe the high optical absorption on free carriers obscures results of optical experiments.In this paper we present the resonant photoemission spectra which were obtained for the Sn 1 -x GdxΤe crystals with different Gd content (x = 0.02 and 0.08).

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Calculated photoemission spectra of the 4f states in the rare-earth metals

Cited by 200 publications

References 10 publications

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

New Metastable Nonmetallic Phase of Europium

4f Shell of Gd²⁺and Gd³⁺Ions in Sn_1-xGd_xTe - Resonant Photoemission Study

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Calculated photoemission spectra of the 4f states in the rare-earth metals

Cited by 200 publications

References 10 publications

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

Influence of Yb on Valence Band Density of States of CdYbTe and PbYbTe - a Resonant Photoemission Study

New Metastable Nonmetallic Phase of Europium

4f Shell of Gd2+and Gd3+Ions in Sn1-xGdxTe - Resonant Photoemission Study

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4f Shell of Gd²⁺and Gd³⁺Ions in Sn_1-xGd_xTe - Resonant Photoemission Study