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Tracing crystal-field splittings in the rare-earth-based intermetallic CeIrIn5
Chen, QY; Wen, CHP; Yao, Q; Huang, K; Ding, ZF; Shu, L; Niu, XH; Zhang, Y; Lai, XC; Huang, YB; Zhang, GB; Kirchner, S; Feng, DL
2018
Source PublicationPHYSICAL REVIEW B
ISSN2469-9950
Volume97Issue:7Pages:-
Subtype期刊论文
AbstractCrystal electric field states in rare earth intermetallics show an intricate entanglement with the many-body physics that occurs in these systems and that is known to lead to a plethora of electronic phases. Here we attempt to trace different contributions to the crystal electric field (CEF) splittings in CeIrIn5, a heavy-fermion compound and member of the CeMIn5 (M = Co, Rh, Ir) family. To this end, we utilize high-resolution resonant angle-resolved photoemission spectroscopy (ARPES) and present a spectroscopic study of the electronic structure of this unconventional superconductor over a wide temperature range. As a result, we show how ARPES can be used in combination with thermodynamic measurements or neutron scattering to disentangle different contributions to the CEF splitting in rare earth intermetallics. We also find that the hybridization is stronger in CeIrIn5 than CeCoIn5 and the effects of the hybridization on the Fermi volume increase is much smaller than predicted. By providing experimental evidence for 4 f(7/2)(1) splittings which, in CeIrIn5, split the octet into four doublets, we clearly demonstrate the many-body origin of the so-called 4 f(7/2)(1) state.
KeywordSuperconductivity Systems Rh Ir
DOI10.1103/PhysRevB.97.075149
Indexed BySCI
Language英语
WOS IDWOS:000426166000001
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29193
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Chen, QY
2.Wen, CHP
3.Yao, Q
4.Huang, K
5.Ding, ZF
6.Shu, L
7.Niu, XH
8.Zhang, Y
9.Lai, XC
10.Huang, YB
11.Zhang, GB
12.Kirchner, S
13.Feng, DL
Recommended Citation
GB/T 7714
Chen, QY,Wen, CHP,Yao, Q,et al. Tracing crystal-field splittings in the rare-earth-based intermetallic CeIrIn5[J]. PHYSICAL REVIEW B,2018,97(7):-.
APA Chen, QY.,Wen, CHP.,Yao, Q.,Huang, K.,Ding, ZF.,...&Feng, DL.(2018).Tracing crystal-field splittings in the rare-earth-based intermetallic CeIrIn5.PHYSICAL REVIEW B,97(7),-.
MLA Chen, QY,et al."Tracing crystal-field splittings in the rare-earth-based intermetallic CeIrIn5".PHYSICAL REVIEW B 97.7(2018):-.
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