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 Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We study the effects of electron doping in Mott insulators containing d^4ions such as Ru4+, Os4+, Rh5+, and Ir5+ with J=0 singlet ground state.Depending on the strength of the spin-orbit coupling, the undoped systems areeither nonmagnetic or host an unusual, excitonic magnetism arising from acondensation of the excited J=1 triplet states of t_2g^4. We find that theinteraction between J-excitons and doped carriers strongly supportsferromagnetism, converting both the nonmagnetic and antiferromagnetic phases ofthe parent insulator into a ferromagnetic metal, and further to a nonmagneticmetal. Close to the ferromagnetic phase, the low-energy spin response isdominated by intense paramagnon excitations that may act as mediators of atriplet pairing.

Doping-Induced Ferromagnetism and Possible Triplet Pairing in d4 Mott Insulators