Mott Physics in lightly doped (Sr$_{1-x}$La$_x$)$_3$Ir$_2$O$_7$

ORAL

Abstract

The layered perovskite iridates Sr$_2$IrO$_4$ and Sr$_3$Ir$_2$O$_7$ exhibit a spin-orbit Mott insulating state that becomes metallic upon sufficient carrier doping. While Sr$_2$IrO$_4$ presents striking similarities to cuprates upon electron doping, Sr$_3$Ir$_2$O$_7$ appears to be a correlated metal. We show a detailed doping and temperature-dependent ARPES study which reveals important similarities between (Sr$_{1-x}$La$_x$)$_3$Ir$_2$O$_7$ and doped Sr$_2$IrO$_4$, as well as other doped Mott insulators.

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Authors

  • Gregory Affeldt

    • University of California, Berkeley
    • University of California, Berkeley and Lawrence Berkeley National Laboratory

  • Tom Hogan

    • University of California, Berkeley and Lawrence Berkeley National Laboratory

  • Christopher Smallwood

    • University of California, Berkeley

  • Tanmoy Das

    • Los Alamos National Laboratory

  • Jonathan Denlinger

    • Lawrence Berkeley National Laboratory

  • Sung-Kwan Mo

    • Lawrence Berkeley National Laboratory

  • Stephen Wilson

    • University of California, Santa Barbara

  • Alessandra Lanzara

    • University of California, Berkeley and Lawrence Berkeley National Laboratory