activity
20022025
most citedTemperature dependent effective potential method for accurate free energy calculations of solids

652 citations · 1.1k across the 15 of their papers we have counts for

collaborators

15 papers

cond-mat.mtrl-sci2025

Dynamic Screening Effects on Auger Recombination in Metal-Halide Perovskites

Utkarsh Singh, Sergei I. Simak

The performance of modern light-emitting technologies, from lasers to LEDs, is limited by nonradiative losses, with Auger recombination being the dominant channel at device-relevan…

cond-mat.mtrl-sci2025

Halogen Chains with One-Dimensional Semi-Metallic Electronic Structure and Peierls Physics in Polymorphs of Na4X5 (X = I, Br, Cl) Compounds

Yuqing Yin, Nityasagar Jena, Florian Knoop +16

Since the pioneering works of Peierls, one-dimensional materials have attracted great attention. Still, the synthesis of truly monoatomic chains remains elusive. In this study, we…

cond-mat.mtrl-sci2025

Machine Learning for Improved Density Functional Theory Thermodynamics

Sergei I. Simak, Erna K. Delczeg-Czirjak, Olle Eriksson

The predictive accuracy of density functional theory (DFT) for alloy formation enthalpies is often limited by intrinsic energy resolution errors, particularly in ternary phase stab…

cond-mat.mtrl-sci2023★ 5 cited

Giant magnetocaloric effect in the (Mn,Fe)NiSi-system

Sagar Ghorai, Rafael Martinho Vieira, Vitalii Shtender +7

The search for energy-efficient and environmentally friendly cooling technologies is a key driver for the development of magnetic refrigeration based on the magnetocaloric effect (…

cond-mat.mtrl-sci2023

Exploring Magnetism of Lead-free Halide Double Perovskites: A High-Throughput First-Principles Study

Utkarsh Singh, Johan Klarbring, Igor A. Abrikosov +1

We have performed a comprehensive, first-principles high-throughput study of the magnetic properties of halide double perovskites, , with magnetic ions occupyin…

cond-mat.mtrl-sci2022★ 6 cited

Electronic structure of the magnetic halide double perovskites Cs2(Ag,Na)FeCl6 from first-principles

Johan Klarbring, Utkarsh Singh, Sergei I. Simak +1

A family of magnetic halide double perovskites (HDPs) have recently attracted attention due to their potential to broaden application areas of halide double perovskites into e.g. s…