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Electronic structur...
Electronic structure of ferromagnetic heavy fermion, YbPdSi, YbPdGe, and YbPtGe studied by photoelectron spectroscopy, x-ray emission spectroscopy, and DFT plus DMFT calculations
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- Yamaoka, Hitoshi (författare)
- RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan.
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- Thunström, Patrik, 1981- (författare)
- Uppsala universitet,Materialteori
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- Tsujii, Naohito (författare)
- Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan.
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- Katoh, Kenichi (författare)
- Natl Def Acad Japan, Dept Appl Phys, 1-10-20 Yokosuka, Yokosuka, Kanagawa 2398686, Japan.
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- Yamamoto, Yoshiya (författare)
- Kwansei Gakuin Univ, Grad Sch Sci & Technol, Sanda, Hyogo 6691337, Japan.
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- Schwier, Eike F. (författare)
- Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima, Hiroshima 7390046, Japan.
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- Shimada, Kenya (författare)
- Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima, Hiroshima 7390046, Japan.
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- Iwasawa, Hideaki (författare)
- Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima, Hiroshima 7390046, Japan.;Diamond Light Source, Diamond House,Harwell Sci & Innovat Campus, Didcot OX11 0DE, Oxon, England.
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- Arita, Masashi (författare)
- Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Higashihiroshima, Hiroshima 7390046, Japan.
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- Jarrige, Ignace (författare)
- Brookhaven Natl Lab, Photon Sci Directorate, Upton, NY 11973 USA.
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- Hiraoka, Nozomu (författare)
- Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan.
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- Ishii, Hirofumi (författare)
- Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan.
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- Tsuei, Ku-Ding (författare)
- Natl Synchrotron Radiat Res Ctr, Hsinchu 30076, Taiwan.
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- Mizuki, Jun'ichiro (författare)
- Kwansei Gakuin Univ, Grad Sch Sci & Technol, Sanda, Hyogo 6691337, Japan.
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RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan Materialteori (creator_code:org_t)
- IOP PUBLISHING LTD, 2017
- 2017
- Engelska.
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Ingår i: Journal of Physics. - : IOP PUBLISHING LTD. - 0953-8984 .- 1361-648X. ; 29:47
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Electronic structures of ferromagnetic heavy fermion Yb compounds of YbPdSi, YbPdGe, and YbPtGe are studied by photoelectron spectroscopy around the Yb 4d-4f resonance, resonant x-ray emission spectroscopy at the Yb L-3 absorption edge, and density functional theory combined with dynamical mean field theory calculations. These compounds all have a temperature-independent intermediate Yb valence with large Yb3+ and small Yb2+ components. The magnitude of the Yb valence is evaluated to be YbPtGe < YbPdGe less than or similar to YbPdSi, suggesting that YbPtGe is the closest to the quantum critical point among the three Yb compounds. Our results support the scenario of the coexistence of heavy fermion behavior and ferromagnetic ordering which is described by a magnetically-ordered Kondo lattice where the magnitude of the Kondo effect and the RKKY interaction are comparable.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- ferromagnetic heavy fermion
- photoelectron spectroscopy
- x-ray emission spectroscopy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Yamaoka, Hitoshi
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Thunström, Patri ...
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Tsujii, Naohito
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Katoh, Kenichi
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Yamamoto, Yoshiy ...
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Schwier, Eike F.
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visa fler...
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Shimada, Kenya
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Iwasawa, Hideaki
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Arita, Masashi
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Jarrige, Ignace
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Hiraoka, Nozomu
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Ishii, Hirofumi
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Tsuei, Ku-Ding
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Mizuki, Jun'ichi ...
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visa färre...
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Uppsala universitet