Perovskite oxides AB O3 continue to be a major focus in materials science. Of particular
interest is the interplay between A and B cations as exemplified by intersite charge transfer …

Lanthanides in the trivalent oxidation state are typically described using an ionic picture that
leads to localized magnetic moments. The hierarchical energy scales associated with …

For some intermetallic compounds containing lanthanides, structural transitions can result in
intermediate electronic states between trivalency and tetravalency; however, this is rarely …

Perovskite LaCoO3 is a subject of extensive and ongoing investigation due to the delicate
competition between high‐spin (HS) and low‐spin (LS) states of Co3+. On the other hand …

Perovskite oxyhydride EuVO2H exhibits a Mott insulating state derived from VIIIO2 layers
and a ferromagnetic state derived from EuIIH layers, with compressive strain inducing …

Pr-based cobaltites exhibit extraordinary phenomena where abrupt valence shifts trigger
coupled structural/spin-state/metal-insulator transitions. Recent work achieved strain control …

Pr-containing perovskite cobaltites exhibit unusual valence transitions, coupled to coincident
structural, spin-state, and metal-insulator transitions. Heteroepitaxial strain was recently …

CaRuO 3 is a prototypical perovskite oxide among the Ruddlesden–Popper series with multi-
exotic physical properties on the verge of quantum criticality. Unlike the case of the well …

Wide-ranging control of materials properties using applied voltages represents a
longstanding goal in physics and technology, particularly for low-power applications. To this …

Perovskite cobalt oxides, eg, LaCoO 3, have long been understood to display intriguing
phenomena known as spin-state crossovers—changes in the cobalt ion spinstate in …