Magnetism of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Ir</mml:mi></mml:mrow><mml:mrow><mml:mn>5</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math>-based double perovskites: Unraveling its nature and the influence of structure

Abstract

Iridates having pentavalent Ir${}^{5+}$ ions have emerged in the last years as an exciting playground to tune the atomic magnetic ground state from nonmagnetic $J=$0 to magnetic $J\ensuremath{\ne}$0 by either distortions of the IrO${}_{6}$ octahedra or increased orbital overlap. Here, the authors analyze the origin of the magnetic response observed in Sr${}_{2}$YIrO${}_{6}$ and reveal that in this case neither volume contraction nor structural distortions are sufficient to cause any change in the magnetic state of the Ir${}^{5+}$ ions.

Topics & Concepts