Self-consistent Hubbard parameters from density-functional perturbation theory in the ultrasoft and projector-augmented wave formulations

I Timrov, N Marzari, M Cococcioni - Physical Review B, 2021 - APS
The self-consistent evaluation of Hubbard parameters using linear-response theory is
crucial for quantitatively predictive calculations based on Hubbard-corrected density …

[HTML][HTML] HP–A code for the calculation of Hubbard parameters using density-functional perturbation theory

I Timrov, N Marzari, M Cococcioni - Computer Physics Communications, 2022 - Elsevier
We introduce HP, an implementation of density-functional perturbation theory, designed to
compute Hubbard parameters (on-site U and inter-site V) in the framework of DFT+U and …

Extensive Benchmarking of DFT+U Calculations for Predicting Band Gaps

NE Kirchner-Hall, W Zhao, Y Xiong, I Timrov, I Dabo - Applied Sciences, 2021 - mdpi.com
Accurate computational predictions of band gaps are of practical importance to the modeling
and development of semiconductor technologies, such as (opto) electronic devices and …

Machine learning Hubbard parameters with equivariant neural networks

M Uhrin, A Zadoks, L Binci, N Marzari… - npj Computational …, 2025 - nature.com
Density-functional theory with extended Hubbard functionals (DFT+ U+ V) provides a robust
framework to accurately describe complex materials containing transition-metal or rare-earth …

First-Principles Calculations of Magnetite (Fe3O4) above the Verwey Temperature by Using Self-Consistent DFT + U + V

N Naveas, R Pulido, C Marini, P Gargiani… - Journal of Chemical …, 2023 - ACS Publications
In this report, we have used the DFT+ U+ V approach, an extension of the DFT+ U approach
that takes into account both on-site and intersite interactions, to simulate structural …

Accurate electronic properties and intercalation voltages of olivine-type Li-ion cathode materials from extended Hubbard functionals

I Timrov, F Aquilante, M Cococcioni, N Marzari - PRX Energy, 2022 - APS
The design of novel cathode materials for Li-ion batteries would greatly benefit from
accurate first-principles predictions of structural, electronic, and magnetic properties as well …

Pivotal Role of Intersite Hubbard Interactions in Fe-Doped α-MnO2

R Mahajan, A Kashyap, I Timrov - The Journal of Physical …, 2022 - ACS Publications
We present a first-principles investigation of the structural, electronic, and magnetic
properties of the pristine and Fe-doped α-MnO2 using density-functional theory with …

Pulay forces in density-functional theory with extended Hubbard functionals: From nonorthogonalized to orthogonalized manifolds

I Timrov, F Aquilante, L Binci, M Cococcioni, N Marzari - Physical Review B, 2020 - APS
We present a derivation of the exact expression for Pulay forces in density-functional theory
calculations augmented with extended Hubbard functionals and arising from the use of …

Unraveling the effects of inter-site Hubbard interactions in spinel Li-ion cathode materials

I Timrov, M Kotiuga, N Marzari - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Accurate first-principles predictions of the structural, electronic, magnetic, and
electrochemical properties of cathode materials can be key in the design of novel efficient Li …

Understanding the role of Hubbard corrections in the rhombohedral phase of

G Gebreyesus, L Bastonero, M Kotiuga, N Marzari… - Physical Review B, 2023 - APS
We present a first-principles study of the low-temperature rhombohedral phase of BaTiO 3
using Hubbard-corrected density-functional theory. By employing density-functional …