Three-dimensional bulk electronic structure of the Kondo lattice CeIn3 revealed by photoemission.
Three-dimensional bulk electronic structure of the Kondo lattice CeIn3 revealed by photoemission.
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光电发射揭示近藤晶格 CeIn3 的三维体电子结构
DOI:
10.1038/srep33613
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发表时间:
2016-09-19
影响因子:
4.6
通讯作者:
Lai X
中科院分区:
文献类型:
--
作者:
Zhang Y;Lu H;Zhu X;Tan S;Liu Q;Chen Q;Feng W;Xie D;Luo L;Liu Y;Song H;Zhang Z;Lai X
We show the three-dimensional electronic structure of the Kondo lattice CeIn3using soft x-ray angle resolved photoemission spectroscopy in the paramagnetic state. For the first time, we have directly observed the three-dimensional topology of the Fermi surface of CeIn3by photoemission. The Fermi surface has a complicated hole pocket centred at the Γ-Z line and an elliptical electron pocket centred at the R point of the Brillouin zone. Polarization and photon-energy dependent photoemission results both indicate the nearly localized nature of the 4felectrons in CeIn3, consistent with the theoretical prediction by means of the combination of density functional theory and single-site dynamical mean-field theory. Those results illustrate that thefelectrons of CeIn3, which is the parent material of CeMIn5compounds, are closer to the localized description than the layered CeMIn5compounds.
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