Abstract:
:We report on an angle resolved photoemission (ARPES) study of bulk electron-doped perovskite iridate, (Sr(1-x)La(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.
journal_name
Sci Repjournal_title
Scientific reportsauthors
He J,Hafiz H,Mion TR,Hogan T,Dhital C,Chen X,Lin Q,Hashimoto M,Lu DH,Zhang Y,Markiewicz RS,Bansil A,Wilson SD,He RHdoi
10.1038/srep08533subject
Has Abstractpub_date
2015-02-23 00:00:00pages
8533issn
2045-2322pii
srep08533journal_volume
5pub_type
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