English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Understanding magnetism in multiple magnetic sublattice system, driven by theinterplay of varied nature of magnetic exchanges, is on one hand challengingand on other hand intriguing. Motivated by the recent synthesis of AA'BB'O_6double double perovskites with multiple magnetic ions both at A- and B-sites,we investigate the mechanism of magnetic behavior in these interesting class ofcompounds. We find that the magnetism in such multiple sublattice compounds isgoverned by the interplay and delicate balance between two distinct mechanisms,a) kinetic energy-driven multiple sublattice double exchange mechanism and b)the conventional super-exchange mechanism. The derived spin Hamiltonian basedon first-principles calculations is solved by the classical Monte Carlotechnique which reproduces the observed magnetic properties. Finally, theinfluence of off-stoichiometry, as in experimental samples, is discussed. Someof these double double perovskite compounds are found to possess large totalmagnetic moment and also are found to be half-metallic, which raises the hopeof future applications of these large magnetic moment half-metallic oxides inspintronics and memory devices.

Understanding Magnetism in Double Double Perovskites: A Complex Multiple Magnetic Sublattice System