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
发表期刊PHYSICAL REVIEW B
ISSN2469-9950
卷号97期号:7页码:-
文章类型期刊论文
摘要Crystal 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.
关键词Superconductivity Systems Rh Ir
DOI10.1103/PhysRevB.97.075149
收录类别SCI
语种英语
WOS记录号WOS:000426166000001
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29193
专题中科院上海应用物理研究所2011-2018年
作者单位1.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
推荐引用方式
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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