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Orbital-dependent electron correlation in LiFeAs revealed by angle-resolved photoemission spectroscopy
- Orbital-dependent electron correlation in LiFeAs revealed by angle-resolved photoemission spectroscopy
- Hajiri, T[Hajiri, T.]; Ito, T[Ito, T.]; Matsunami, M[Matsunami, M.]; Min, BH[Min, B. H.]; Kwon, YS[Kwon, Y. S.]; Kuroki, K[Kuroki, K.]; Kimura, S[Kimura, S.]
- DGIST Authors
- Min, BH[Min, B. H.]; Kwon, YS[Kwon, Y. S.]
- Issue Date
- Physical Review B: Condensed Matter and Materials Physics, 93(2)
- Article Type
- We report on the electronic structure of the 111-type iron pnictide superconductor LiFeAs as a function of temperature using angle-resolved photoemission spectroscopy. Below approximately 50 K, both the dyz hole band at the Z point and the dxz/yz electron band at the A point shift to a higher binding energy side. However, at the high-symmetry points Z,A,Γ, and M, the remaining bands are almost independent of temperature. One of the possible scenarios for these observations is that a strong, three-dimensional orbital-dependent correlation exists in the normal state of LiFeAs in relation to short-range spin fluctuations. © 2016 American Physical Society.
- American Physical Society
- Related Researcher
Kwon, Yong Seung
Quantum Functional Materials Laboratory
High Tc Superconductors and magnetic materials; Thermoelectric Materials
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- Department of Emerging Materials ScienceQuantum Functional Materials Laboratory1. Journal Articles
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