The  c – f  hybridization effect in the subsurface region of YbInCu 4

Ishihara, Suzuna; Ichiki, Katsuya; Abe, K.; Matsumoto, Takayuki; Mimura, Koji; Sato, Hitoshi; Arita, Masashi; Schwier, Eike F.; Iwasawa, Hideaki; Shimada, Kenya; Namatame, H.; Takeuchi, Masaki; Zhuang, Tao; Hiraoka, Koichi; Anzai, H.

doi:10.1016/j.elspec.2016.12.009

Cited by 10 publications

(1 citation statement)

References 16 publications

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“…Figure 1(a) shows the valence-band spectra of YbMgCu 4 measured at T = 8 K. The spin-orbit splitting of the Yb 2+ 4 f 7/2 and Yb 2+ 4 f 5/2 states are observed at |ω| ∼ 0.07 eV and 1.36 eV, respectively. These assignments are consistent with the results obtained by the photoemission spectroscopy with vacuum ultraviolet and hard X-ray photons [10][11][12][13]. The full width at half-maximum, 0.107 eV, of the 4 f 7/2 peak is much narrower than the results reported in previous photoemission studies [8,9].…”

Section: Resultssupporting

confidence: 91%

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄

Morikawa

Shiono

Sato

et al. 2020

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)

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The electronic structure of the heavy fermion system YbMgCu 4 was studied using synchrotron radiation photoemission spectroscopy. We observed a sharp peak of the Yb 2+ 4 f 7/2 state in a wide temperature range. The energy scale of the 4 f 7/2 peak at zero-temperature limit was estimated as |ω| ∼ 69 meV, which is in agreement with the characteristic temperature deduced from the magnetic susceptibility measurements. Our results suggest that the observed 4 f 7/2 state is associated with the heavy fermion behavior of YbMgCu 4 .

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Section: Resultssupporting

confidence: 91%

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄

Morikawa

Shiono

Sato

et al. 2020

Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019)

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Observation of the c‐f hybridization effect in valence‐transition system EuPtP

Anzai

Ichiki

Schwier

et al. 2017

Phys. Status Solidi C

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We study the electronic structure of EuPtP, which exhibits two first‐order valence transitions at T1 = 247 K and T2 = 201 K, using angle‐resolved photoemission spectroscopy. Below T2, we observe an energy gap at the crossing point of the bulk Eu 4f and conduction bands. The shape of band dispersions is described by a hybridization‐band picture based on the periodic Anderson model. Our results demonstrate the c‐f hybridization effect in the low‐temperature phase of EuPtP.

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Yb LIII-edge and Cu K-edge x-ray absorption spectroscopy in YbCdCu4 and YbInCu4

Anzai¹,

Ishihara²,

Shiono³

et al. 2019

AIP Conference Proceedings

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The c – f hybridization effect in the subsurface region of YbInCu 4

Cited by 10 publications

References 16 publications

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄

Observation of the c‐f hybridization effect in valence‐transition system EuPtP

Yb LIII-edge and Cu K-edge x-ray absorption spectroscopy in YbCdCu4 and YbInCu4

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The c – f hybridization effect in the subsurface region of YbInCu 4

Cited by 10 publications

References 16 publications

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu4

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu4

Observation of the c‐f hybridization effect in valence‐transition system EuPtP

Yb LIII-edge and Cu K-edge x-ray absorption spectroscopy in YbCdCu4 and YbInCu4

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Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄

Temperature Dependence of the Kondo Resonance Peak in Photoemission Spectra of Rare-Earth Compound YbMgCu₄