[HTML][HTML] On the complexity of spinels: Magnetic, electronic, and polar ground states
V Tsurkan, HAK Von Nidda, J Deisenhofer… - Physics Reports, 2021 - Elsevier
This review aims to summarize more than 100 years of research on spinel compounds,
mainly focusing on the progress in understanding their magnetic, electronic, and polar …
mainly focusing on the progress in understanding their magnetic, electronic, and polar …
Orbital physics in transition metal compounds: new trends
SV Streltsov, DI Khomskii - Physics-Uspekhi, 2017 - iopscience.iop.org
The present review discusses different effects related to orbital degrees of freedom. Leaving
aside such aspects as the superexchange mechanism of cooperative Jahn–Teller …
aside such aspects as the superexchange mechanism of cooperative Jahn–Teller …
Valence Bonds in Random Quantum Magnets: Theory and Application to
We analyze the effect of quenched disorder on spin-1/2 quantum magnets in which
magnetic frustration promotes the formation of local singlets. Our results include a theory for …
magnetic frustration promotes the formation of local singlets. Our results include a theory for …
Orbital order and fluctuations in Mott insulators
G Khaliullin - Progress of Theoretical Physics Supplement, 2005 - academic.oup.com
Basic mechanisms controlling orbital order and orbital fluctuations in transition metal oxides
are discussed. The lattice driven classical orbital picture, eg like in manganites LaMnO 3, is …
are discussed. The lattice driven classical orbital picture, eg like in manganites LaMnO 3, is …
Orbitally induced Peierls state in spinels
DI Khomskii, T Mizokawa - Physical review letters, 2005 - APS
We consider the superstructures, which can be formed in spinels containing on B sites the
transition-metal ions with partially filled t 2 g levels. We show that, when such systems are …
transition-metal ions with partially filled t 2 g levels. We show that, when such systems are …
The role of composition of uniform and highly dispersed cobalt vanadium iron spinel nanocrystals for oxygen electrocatalysis
K Chakrapani, G Bendt, H Hajiyani, T Lunkenbein… - ACS …, 2018 - ACS Publications
Cation substitution in transition-metal oxides is an important approach to improve
electrocatalysts by the optimization of their composition. Herein, we report on phase-pure …
electrocatalysts by the optimization of their composition. Herein, we report on phase-pure …
Half-magnetization plateau stabilized by structural distortion in the antiferromagnetic Heisenberg model on a pyrochlore lattice
Magnetization plateaus, visible as anomalies in magnetic susceptibility at low temperatures,
are one of the hallmarks of frustrated magnetism. We show how an extremely robust half …
are one of the hallmarks of frustrated magnetism. We show how an extremely robust half …
Frustrated magnetism and cooperative phase transitions in spinels
The spinel crystal system, AB 2 O 4, has been fertile ground in studying the effects of
magnetic and orbital frustration. The experimental findings, with primary focus on neutron …
magnetic and orbital frustration. The experimental findings, with primary focus on neutron …
Orbital Ordering and Magnetic Field Effect in
T Suzuki, M Katsumura, K Taniguchi, T Arima… - Physical review …, 2007 - APS
We studied the structural properties of an orbital-spin-coupled spinel oxide, MnV 2 O 4,
mainly by single-crystal x-ray diffraction measurement. It was found that a structural phase …
mainly by single-crystal x-ray diffraction measurement. It was found that a structural phase …
Structural instability of the rutile compounds and its relevance to the metal–insulator transition of VO2
Z Hiroi - Progress in Solid State Chemistry, 2015 - Elsevier
The metal–insulator transition (MIT) of VO 2 is discussed with particular emphasis on the
structural instability of the rutile compounds toward dimerization. Ti substitution experiments …
structural instability of the rutile compounds toward dimerization. Ti substitution experiments …