Anisotropic magnetoresistance in spin–orbit semimetal SrIrO 3

Journal article (2020)

Authors

D.J. Groenendijk Kavli institute of nanoscience Delft, QN/Caviglia Lab - AS
N. Manca Kavli institute of nanoscience Delft, QN/Caviglia Lab - AS
J. de Bruijckere Kavli institute of nanoscience Delft, QN/van der Zant Lab - AS
Ana Mafalda R.V.L. Monteiro Kavli institute of nanoscience Delft
R. Gaudenzi QN/van der Zant Lab - AS , Kavli institute of nanoscience Delft
H.S.J. van der Zant QN/van der Zant Lab - AS , Kavli institute of nanoscience Delft
A. Caviglia QN/Caviglia Lab - AS , Kavli institute of nanoscience Delft
Research Group
QN/van der Zant Lab (AS) (TU Delft)
Copyright: © 2020 D.J. Groenendijk, N. Manca, J. de Bruijckere, Ana Mafalda R.V.L. Monteiro, R. Gaudenzi, H.S.J. van der Zant, A. Caviglia
DOI: https://doi.org/10.1140/epjp/s13360-020-00613-3
More Info
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Published Date

2020

Language

English

Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Research Group

QN/van der Zant Lab

Abstract

SrIrO 3, the three-dimensional member of the Ruddlesden–Popper iridates, is a paramagnetic semimetal characterised by a the delicate interplay between spin–orbit coupling and Coulomb repulsion. In this work, we study the anisotropic magnetoresistance (AMR) of SrIrO 3 thin films, which is closely linked to spin–orbit coupling and probes correlations between electronic transport, magnetic order and orbital states. We show that the low-temperature negative magnetoresistance is anisotropic with respect to the magnetic field orientation, and its angular dependence reveals the appearance of a fourfold symmetric component above a critical magnetic field. We show that this AMR component is of magnetocrystalline origin, and attribute the observed transition to a field-induced magnetic state in SrIrO 3.