Fermi arcs vs. fermi pockets in electron-doped perovskite iridates

He, Junfeng; Hafiz, H.; Mion, Thomas R.; Hogan, T.; Dhital, C.; Chen, X.; Lin, Qisen; Hashimoto, M.; Lu, D. H.; Zhang, Y.; Markiewicz, R. S.; Bansil, A.; Wilson, S. D.; He, Rui -Hua

doi:10.1038/srep08533

Title: Fermi arcs vs. fermi pockets in electron-doped perovskite iridates

Journal Article · Mon Feb 23 00:00:00 EST 2015 · Scientific Reports

DOI:https://doi.org/10.1038/srep08533· OSTI ID:1188332

He, Junfeng ^[1]; Hafiz, H. ^[2]; Mion, Thomas R. ^[1]; Hogan, T. ^[1]; Dhital, C. ^[3]; Chen, X. ^[1]; Lin, Qisen ^[1]; Hashimoto, M. ^[4]; Lu, D. H. ^[4]; Zhang, Y. ^[5]; Markiewicz, R. S. ^[2]; Bansil, A. ^[2]; Wilson, S. D. ^[6]; He, Rui -Hua ^[1]

Boston College, Chestnut Hill, MA (United States)
Northeastern Univ., Boston, MA (United States)
Boston College, Chestnut Hill, MA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
SLAC National Accelerator Laboratory, Menlo Park, CA (United States)
Peking University (China)
Boston College, Chestnut Hill, MA (United States); Univ. of California, Santa Barbara, CA (United States)

We report on an angle resolved photoemission (ARPES) study of bulk electron-doped perovskite iridate, (Sr_1-xLa_x)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.

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Research Organization:: Boston College, Chestnut Hill, MA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-07ER46352; AC02-76SF00515

OSTI ID:: 1188332

Journal Information:: Scientific Reports, Vol. 5, Issue 3; ISSN 2045-2322

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 17 works

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Cited By (4)

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Pressure dependence of the structure and electronic properties of Sr3Ir2O7 Donnerer, C.; Feng, Z.; Vale, J. G. arXiv https://doi.org/10.48550/arxiv.1508.04320	text	January 2015
First-Principles Calculation of Spin and Orbital Contributions to Magnetically Ordered Moments in Sr$_{2}$IrO$_{4}$ Lane, Christopher; Zhang, Yubo; Furness, James W. arXiv https://doi.org/10.48550/arxiv.2004.04759	text	January 2020

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