Photon Energy dependent Hard X-Ray Photoemission Spectroscopy of YbCu2Si2

Kitayama, Satoshi; Fujiwara, Hidenori; Gloskovsky, Andrei; Gorgoi, Mihaela; Schaefers, Franz; Felser, Claudia; Funabashi, Gen; Yamaguchi, Junich; Kimura, Masato; Kuwahara, Go; Imada, Shin; Higashiya, Atsushi; Tamasaku, Kenji; Yabashi, Makina; Ishikawa, Tetsuya; Onuki, Yoshichika; Ebihara, Takao; Suga, Shigemasa; Sekiyama, Akira

doi:10.1143/JPSJS.81SB.SB055

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Photon Energy dependent Hard X-Ray Photoemission Spectroscopy of YbCu₂Si₂

Kitayama, S., Fujiwara, H., Gloskovsky, A., Gorgoi, M., Schaefers, F., Felser, C., et al. (2012). Photon Energy dependent Hard X-Ray Photoemission Spectroscopy of YbCu₂Si₂. Journal of the Physical Society of Japan, 81: SB055, pp. 1-4. doi:10.1143/JPSJS.81SB.SB055.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-A895-D Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-A8A0-4

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Kitayama, Satoshi¹, Author
Fujiwara, Hidenori¹, Author
Gloskovsky, Andrei¹, Author
Gorgoi, Mihaela¹, Author
Schaefers, Franz¹, Author
Felser, Claudia², Author
Funabashi, Gen¹, Author
Yamaguchi, Junich¹, Author
Kimura, Masato¹, Author
Kuwahara, Go¹, Author
Imada, Shin¹, Author
Higashiya, Atsushi¹, Author
Tamasaku, Kenji¹, Author
Yabashi, Makina¹, Author
Ishikawa, Tetsuya¹, Author
Onuki, Yoshichika¹, Author
Ebihara, Takao¹, Author
Suga, Shigemasa¹, Author
Sekiyama, Akira¹, Author

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1external, ou_persistent22
2External Organizations, ou_persistent22

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Abstract: We have performed photon energy (h nu) dependent hard X-rayphotoemission spectroscopy (HAXPES) for YbCu2Si2, which is a heavy Fermion compound with intermediate Yb valence. We identified that the bulk components in the Si 1s and Yb 3d spectra develop with increasing h nu from 2.5 keV to 6 keV. Moreover, the temperature dependence of the Yb 3d spectra measured at h nu = 8 keV has shown a valence fluctuation behavior. These results suggest that high h nu HAXPES is essential to determine the mean valence of the Yb compounds.

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Dates: Date issued: 2012-12-01

Publication Status: Issued

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Identifiers: ISI: 000208846500056
DOI: 10.1143/JPSJS.81SB.SB055

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Title: Journal of the Physical Society of Japan

Source Genre: Journal

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Publ. Info: Tokyo : The Society

Pages: - Volume / Issue: 81 Sequence Number: SB055 Start / End Page: 1 - 4 Identifier: ISSN: 0031-9015
CoNE: https://pure.mpg.de/cone/journals/resource/954925433407