LDA+ DMFT approach to ordering phenomena and the structural stability of correlated materials

J Kuneš, I Leonov, P Augustinský, V Křápek… - The European Physical …, 2017 - Springer
Materials with correlated electrons often respond very strongly to external or internal
influences, leading to instabilities and states of matter with broken symmetry. This behavior …

Magnetic collapse and the behavior of transition metal oxides at high pressure

I Leonov, L Pourovskii, A Georges, IA Abrikosov - Physical Review B, 2016 - APS
We report a detail theoretical study of the electronic structure and phase stability of transition
metal oxides MnO, FeO, CoO, and NiO in their paramagnetic cubic B 1 structure by …

Metal-insulator transition and local-moment collapse in FeO under pressure

I Leonov - Physical Review B, 2015 - APS
We employ a combination of the ab initio band-structure methods and dynamical mean-field
theory to determine the electronic structure and phase stability of paramagnetic FeO at high …

LDA+DMFT approach to core-level spectroscopy: Application to transition metal compounds

A Hariki, T Uozumi, J Kuneš - Physical Review B, 2017 - APS
We present a computational study of 2 p core-level x-ray photoemission spectra of transition
metal monoxides MO (M= Ni, Co, Mn) and sesquioxides M 2 O 3 (M= V, Cr, Fe) using a …

Emergence of quantum critical charge and spin-state fluctuations near the pressure-induced Mott transition in MnO, FeO, CoO, and NiO

I Leonov, AO Shorikov, VI Anisimov, IA Abrikosov - Physical Review B, 2020 - APS
We perform a comprehensive theoretical study of the pressure-induced evolution of the
electronic structure, magnetic state, and phase stability of the late transition metal …

Electride properties of ternary silicide and germanide of La and Ce

AA Dyachenko, AV Lukoyanov, VI Anisimov… - Physical Review B, 2022 - APS
We present a theoretical study of the electronic, spectral, and magnetic properties of ternary
RE ScSi and RE ScGe (RE= La, Ce) compounds based on the DFT+ DMFT method …

Weak Coulomb correlations stabilize the electride high-pressure phase of elemental calcium

DY Novoselov, DM Korotin, AO Shorikov… - Journal of Physics …, 2020 - iopscience.iop.org
Theoretical studies using the state-of-the-art density functional theory and dynamicalmean-
field theory (DFT+ DMFT) method show that weak electronic correlation effects are crucial for …

Convergence of quasiparticle self-consistent calculations of transition-metal monoxides

S Das, JE Coulter, E Manousakis - Physical Review B, 2015 - APS
Finding an accurate ab initio approach for calculating the electronic properties of transition-
metal oxides has been a problem for several decades. In this paper, we investigate the …

Charge-orbital Ordering, Magnetic State, and Exchange Couplings in Quasi-One-Dimensional Vanadate V6O13

IV Leonov - JETP Letters, 2022 - Springer
Charge and orbital ordering, magnetic state, and exchange couplings in quasi-one-
dimensional vanadate V6O13, a potential cathode material for Li-ion batteries, are …

calculations of the complex band and tunneling behavior for the transition metal monoxides MnO, FeO, CoO, and NiO

L Zhang, P Staar, A Kozhevnikov, YP Wang, J Trinastic… - Physical Review B, 2019 - APS
We report complex band structure (CBS) calculations for the four late transition metal
monoxides MnO, FeO, CoO, and NiO in their paramagnetic phase. The CBS is obtained from …