3 papers
cond-mat.mtrl-sci2026
Coupled phase transitions in crystalline solids with extreme chemical disorder
Subha Dey, Rukma Nevgi, Suresh Chandra Joshi +13
Structural phase transitions often couple to magnetic and electronic degrees of freedom, enabling emergent phenomena in solids. In high-entropy oxides (HEOs), which typically stabi…
cond-mat.mtrl-sci2025
Extreme disorder in crystalline perovskite oxide: a new paradigm in quantum materials research
Srimanta Middey, Nandana Bhattacharya, Rukma Nevgi +2
Perovskite oxides (O) have long been central to the advancement of modern condensed matter physics, owing to their rich and tunable electronic and magnetic properties. The…
cond-mat.mtrl-sci2025
Local structural distortions drive magnetic molecular field in compositionally complex spinel oxide
Rukma Nevgi, Subha Dey, Nandana Bhattacharya +8
Understanding how local distortions determine the functional properties of high entropy materials, containing five or more elements at a crystallographic site, is an open challenge…