activity
19942021
most citedFirst-principles Green's-function method for surface calculations: a pseudopotential localized basis set approach

339 citations · 947 across the 22 of their papers we have counts for

collaborators

23 papers

cond-mat.mtrl-sci2021

From AC-STEM Image to 3D Structure: A Systematic Analysis of Au55 nanocluster

Kusse S. Bersha, Alejandro Peña-Torres, Hannes Jónsson

Aberration-corrected scanning electron microscopy (AC-STEM) can provide valuable information on the atomic structure of nanoclusters, an essential input for gaining an understandin…

physics.chem-ph2021

Elastic Collision Based Dynamic Partitioning Scheme for Hybrid Simulations

Björn Kirchhoff, Elvar Örn Jónsson, Asmus Ougaard Dohn +2

The scattering-adapted flexible inner region ensemble separator (SAFIRES) is a partitioning scheme designed to divide a simulation cell into two regions to be treated with differen…

physics.comp-ph2021

Method for Calculating Excited Electronic States Using Density Functionals and Direct Orbital Optimization with Real Space Grid or Plane Wave Basis Set

Aleksei V. Ivanov, Gianluca Levi, Elvar Ö. Jónsson +1

A direct orbital optimization method is presented for density functional calculations of excited electronic states using either a real space grid or a plane wave basis set. The met…

physics.comp-ph2021★ 24 cited

Direct Energy Minimization Based on Exponential Transformation in Density Functional Calculations of Finite and Extended Systems

Aleksei V. Ivanov, Elvar Ö. Jónsson, Tejs Vegge +1

The energy minimization involved in density functional calculations of electronic systems can be carried out using an exponential transformation that preserves the orthonormality o…

physics.comp-ph2020★ 3 cited

Transferable Potential Function for Flexible HO Molecules Based on the Single Center Multipole Expansion

Elvar Örn Jónsson, Soroush Rasti, Marta Galynska +2

A potential function is presented for describing a system of flexible HO molecules based on the single center multipole expansion (SCME) of the electrostatic interaction. The m…

cond-mat.mtrl-sci2020

Surface sites drive Fe enrichment at reactive olivine interfaces

Ming Geng, Kunfeng Qiu, Jun Deng +1

Calculations based on density functional theory and statistical mechanics reveal how Fe site preference in olivine is altered at interfaces. Although the M1 site is favoured in bul…