Issue 8, 2021

Electronic band structure of iridates

Abstract

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

Article information

Article type
Review Article
Submitted
13 Jan 2021
Accepted
04 Maa 2021
First published
04 Maa 2021

Mater. Horiz., 2021,8, 2151-2168

Author version available

Electronic band structure of iridates

A. Dhingra, T. Komesu, S. Kumar, K. Shimada, L. Zhang, X. Hong and P. A. Dowben, Mater. Horiz., 2021, 8, 2151 DOI: 10.1039/D1MH00063B

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