Coupled Nd and B' spin ordering in the double perovskites Nd2NaB'O6 (B' = Ru, Os)
A.A. Aczel, D.E. Bugaris, J. Yeon, C. de la Cruz, H.-C. zur Loye and, S.E. Nagler
TL;DR
This neutron diffraction study reveals coupled Nd and B' spin ordering in Nd2NaB'O6 double perovskites, showing complex magnetic structures and transition temperatures around 14-16 K.
Contribution
First detailed neutron diffraction analysis of magnetic ordering in Nd2NaB'O6 with B' = Ru, Os, uncovering coupled spin states and complex magnetic structures.
Findings
Coupled Nd and B' spin ordering observed.
Type I antiferromagnetic structure identified.
Magnetic transition temperatures around 14-16 K.
Abstract
We present a neutron powder diffraction study of the monoclinic double perovskite systems Nd2NaB'O6 (B' = Ru, Os), with magnetic atoms occupying both the A and B' sites. Our measurements reveal coupled spin ordering between the Nd and B' atoms with magnetic transition temperatures of 14 K for Nd2NaRuO6 and 16 K for Nd2NaOsO6. There is a Type I antiferromagnetic structure associated with the Ru and Os sublattices, with the ferromagnetic planes stacked along the c-axis and [110] direction respectively, while the Nd sublattices exhibit complex, canted antiferromagnetism with different spin arrangements in each system.
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Taxonomy
TopicsMagnetic and transport properties of perovskites and related materials · Physics of Superconductivity and Magnetism · Advanced Condensed Matter Physics