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Title: Fermi arcs vs. Fermi pockets in electron-doped perovskite iridates
Authors: He, J
Hafiz, H
Mion, T.R
Hogan, T
Dhital, C
Chen, X
Lin, Q
Hashimoto, M
Lu, D.H
Zhang, Y
Markiewicz, R.S
Bansil, A 
Wilson, S.D
He, R.-H
Issue Date: 2014
Citation: He, J, Hafiz, H, Mion, T.R, Hogan, T, Dhital, C, Chen, X, Lin, Q, Hashimoto, M, Lu, D.H, Zhang, Y, Markiewicz, R.S, Bansil, A, Wilson, S.D, He, R.-H (2014). Fermi arcs vs. Fermi pockets in electron-doped perovskite iridates. Scientific Reports 5 : 8533. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: We report on an angle resolved photoemission (ARPES) study of bulk electron-doped perovskite iridate, (Sr1-xLax)3Ir2O7. Fermi surface pockets are observed with a total electron count in keeping with that expected from La substitution. Depending on the energy and polarization of the incident photons, these pockets show up in the form of disconnected "Fermi arcs", reminiscent of those reported recently in surface electron-doped Sr2IrO4. Our observed spectral variation is consistent with the coexistence of an electronic supermodulation with structural distortion in the system. © 2015 Macmillan Publishers Limited.
Source Title: Scientific Reports
ISSN: 20452322
DOI: 10.1038/srep08533
Rights: Attribution 4.0 International
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