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  Photoemission study on YbZn1-xSnxCu4

Sato, H., Utsumi, Y., Kodama, J., Arita, M., Anzai, H., Mimura, K., et al. (2015). Photoemission study on YbZn1-xSnxCu4. Journal of Physics: Conference Series, 592: 012016, pp. 1-5. doi:10.1088/1742-6596/592/1/012016.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-C9BA-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F418-5
Genre: Journal Article

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 Creators:
Sato, Hitoshi1, Author
Utsumi, Yuki2, Author              
Kodama, Junichi1, Author
Arita, Masashi1, Author
Anzai, Hiroaki1, Author
Mimura, Kojiro1, Author
Shimada, Kenya1, Author
Ueda, Shigenori1, Author
Tsujii, Naohito1, Author
Namatame, Hirofumi1, Author
Taniguchi, Masaki1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              

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 Abstract: We have investigated the electronic structure of YbZn1-xSnxCu4 with x = 0.5 by means of hard x-ray photoemission spectroscopy (HAXPES) with h nu = 5.95 keV and low photon energy photoemission spectroscopy (LEPES) with h nu = 14 eV. The Yb valence derived from the Yb 3d HAXPES spectrum remarkably decreases between 100 and 20 K; similar to 2.90 at 300 - 100 K and 2.78 at 20 K. The LEPES spectra exhibit a prominent peak near the Fermi level which is attributed to the Kondo resonance peak. The Kondo temperature is estimated to be T-K similar to 210 K from an energy position of the peak extrapolated to zero temperature.

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Language(s): eng - English
 Dates: 2015-04-142015-04-14
 Publication Status: Published in print
 Pages: -
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Title: Journal of Physics: Conference Series
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 592 Sequence Number: 012016 Start / End Page: 1 - 5 Identifier: ISSN: 1742-6588
CoNE: https://pure.mpg.de/cone/journals/resource/111097776606042