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Electronic band structure of iridates

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In this review, an attempt has been made to compare the electronic structures of various 5d iridates (iridium oxides), with an effort to note the common features and differences. Both experimental studies, especially angle-resolved photoemission spectroscopy (ARPES) results, and first-principles band structure calculations have been discussed. This brings to focus the fact that the electronic structures and magnetic properties of the high-Z 5d transition iridates depend on the intricate interplay of strong electron correlation, strong (relativistic) spin–orbit coupling, lattice distortion, and the dimensionality of the system. For example, in the thin film limit, SrIrO3 exhibits a metal–insulator transition that corresponds to the dimensionality crossover, with the band structure resembling that of bulk Sr2IrO4.

Graphical abstract: Electronic band structure of iridates

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Article information

13 Jan 2021
04 May 2021
First published
04 May 2021

Mater. Horiz., 2021, Advance Article
Article type
Review Article

Electronic band structure of iridates

A. Dhingra, T. Komesu, S. Kumar, K. Shimada, L. Zhang, X. Hong and P. A. Dowben, Mater. Horiz., 2021, Advance Article , DOI: 10.1039/D1MH00063B

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