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19922026
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cond-mat.mtrl-sci2026

Oxygen Vacancies at Dislocation Core Modulate Plasticity in Strontium Titanate

Min-Chul Kang, Chunxu Yan, Alexander Frisch +3

Dislocation core chemistry in oxides critically influences mechanical behavior and functionality; yet the evolution of core chemistry during the dislocation motion in them has not…

cond-mat.mtrl-sci2026★ 1 cited

Proximity Magnetism in Mn(Bi,Sb)2Te4-(Bi,Sb)2Te3/MnTe Natural Heterostructures

Owen A. Vail, Shu-Wei Wang, Yasen Hou +13

Magnetic topological insulators and their heterostructures provide great opportunities in coupling band topology with nontrivial spin configuration for enhanced spintronic device p…

cond-mat.mtrl-sci2026

High sub-bandgap response and fast switching enabled by thermal quenching in carbon-doped semi-insulating GaN

Jiahao Dong, Auditee Majumder Momo, Austin Fehr +6

Carbon-doped GaN is a promising material for sub-bandgap triggered optical switches. When incorporated in GaN, carbon introduces deep compensating centers that enable defect-mediat…

cond-mat.mtrl-sci2025★ 18 cited

Toward reducing the formation temperature of diopside via wet-chemical synthesis routes using chloride precursors

N. Namvar, E. Salahinejad, A. Saberi +3

Reducing the formation temperature of single-phase multioxides is one of the classic challenges in ceramic processing, including wet-chemical synthesis routes. Toward pursuing this…

cond-mat.mtrl-sci2025★ 2 cited

On the Origin of Carrier Loss in Mg-Doped N-Polar GaN

Masahiro Kamiyama, Shashwat Rathkanthiwar, Cristyan Quiñones-García +6

The neutral complex was found to be the primary compensator in Mg-doped, N-polar GaN. The experimental data showed a sharp drop in hole concentration once [Mg] e…

cond-mat.mtrl-sci2025

Persistent Interfacial Topological Hall Effect Demonstrating Electrical Readout of Topological Spin Structures in Insulators

Jing Li, Huilin Lai, Andrew H. Comstock +12

Conventional topological Hall effects (THE) require conducting magnets, leaving insulating systems largely inaccessible. Here we introduce the interfacial topological Hall effect (…

cond-mat.mtrl-sci2025

Modeling of silver transport in cubic SiC: Integrating molecular dynamics, bounds averaging, and uncertainty quantification

Mohamed AbdulHameed, Khadija Mahbuba, Mahmoud Yaseen +3

Silver released from TRISO fuel particles can migrate through the SiC layer and deposit on reactor components, posing radiation hazards and operational challenges. Despite numerous…

cond-mat.mtrl-sci2025★ 1 cited

Mic-hackathon 2024: Hackathon on Machine Learning for Electron and Scanning Probe Microscopy

Utkarsh Pratiush, Austin Houston, Kamyar Barakati +70

Microscopy is a primary source of information on materials structure and functionality at nanometer and atomic scales. The data generated is often well-structured, enriched with me…

cond-mat.mtrl-sci2025★ 2 cited

A new generation of effective core potentials: Selected lanthanides and heavy elements II

Omar Madany, Benjamin Kincaid, Aqsa Shaikh +2

We present a new set of correlation-consistent effective core potentials (ccECPs) for selected heavy , , , and -block elements significant in materials science and chem…

cond-mat.mtrl-sci2025★ 4 cited

Ab initio molecular dynamics of paramagnetic uranium mononitride (UN) using disordered local moments

Mohamed AbdulHameed, Benjamin Beeler

This work presents an investigation of the thermophysical properties of paramagnetic uranium mononitride (UN) using ab initio molecular dynamics (AIMD) simulations combined with th…

cond-mat.mtrl-sci2025★ 7 cited

A Recipe for Flat Bands in Pyrochlore Materials: A Chemist's Perspective

Fatmagül Katmer, Milena Jovanovic, Jennifer Cano +2

Materials in which atoms are arranged in a pyrochlore lattice have found renewed interest, as, at least theoretically, orbitals on those lattices can form flat bands. However, real…

cond-mat.mtrl-sci2025★ 4 cited

Molecular-dynamics study of diffusional creep in uranium mononitride

Mohamed AbdulHameed, Benjamin Beeler, Conor O. T. Galvin +3

Uranium mononitride (UN) is a promising advanced nuclear fuel due to its high thermal conductivity and high fissile density. Yet, many aspects of its mechanical behavior and micros…

cond-mat.mtrl-sci2025★ 8 cited

Spin-to-charge conversion at KTaO3(111) interfaces

Athby H. Al-Tawhid, Rui Sun, Andrew H. Comstock +3

Rashba spin-orbit coupling locks the spin with momentum of charge carriers at the broken inversion interfaces, which could generate a large spin galvanic response. Here, we demonst…

cond-mat.mtrl-sci2025★ 10 cited

Phase-field modeling of radiation-induced composition redistribution: An application to additively manufactured austenitic Fe-Cr-Ni

Sourabh Bhagwan Kadambi, Daniel Schwen, Jia-Hong Ke +2

Multicomponent alloys undergoing irradiation damage develop radiation-induced composition redistribution at point defect sinks such as grain boundaries (GBs) and dislocations. Such…

cond-mat.mtrl-sci2024★ 21 cited

Electron ptychography reveals a ferroelectricity dominated by anion displacements

Harikrishnan KP, Ruijuan Xu, Kinnary Patel +9

Sodium niobate, a lead-free ferroic material, hosts delicately-balanced, competing order parameters, including ferroelectric states that can be stabilized by epitaxial strain. Here…

cond-mat.mtrl-sci2024★ 9 cited

Toward improved property prediction of 2D materials using many-body quantum Monte Carlo methods

Daniel Wines, Jeonghwan Ahn, Anouar Benali +10

The field of two-dimensional (2D) materials has grown dramatically in the last two decades. 2D materials can be utilized for a variety of next-generation optoelectronic, spintronic…

cond-mat.mtrl-sci2024★ 3 cited

Ligand Field Exciton Annihilation in Bulk CrCl3

Samanvitha Sridhar, Ario Khansari, Shaun O'Donnell +5

The layered van der Waals material CrCl3 exhibits very strongly bound ligand field excitons that control optoelectronic applications and are connected with magnetic ordering by vir…

cond-mat.mtrl-sci2024★ 5 cited

Vacancy-mediated transport and segregation tendencies of solutes in FCC nickel under diffusional creep: A density functional theory study

Shehab Shousha, Sourabh Bhagwan Kadambi, Benjamin Beeler +1

The Nabarro-Herring (N-H) diffusional creep theory postulates the vacancy-mediated transport of atoms under a stress gradient as the creep mechanism under low-stress and high-tempe…

cond-mat.mtrl-sci2024★ 7 cited

Structural and optical properties of self-assembled AlN nanowires grown on SiO2/Si substrates by molecular beam epitaxy

Ž. Gačević, J. Grandal, Q. Guo +4

Self assembled AlN nanowires (NWs) are grown by plasma assisted molecular beam epitaxy (PAMBE) on SiO2 / Si (111) substrates. Using a combination of in-situ reflective high energy…

cond-mat.mtrl-sci2024★ 19 cited

Machine Learned Interatomic Potentials for Ternary Carbides trained on the AFLOW Database

Josiah Roberts, Biswas Rijal, Simon Divilov +6

Large density functional theory (DFT) databases are a treasure trove of energies, forces and stresses that can be used to train machine learned interatomic potentials for atomistic…

cond-mat.mtrl-sci2023★ 9 cited

Materials Expert-Artificial Intelligence for Materials Discovery

Yanjun Liu, Milena Jovanovic, Krishnanand Mallayya +5

The advent of material databases provides an unprecedented opportunity to uncover predictive descriptors for emergent material properties from vast data space. However, common reli…

cond-mat.mtrl-sci2023★ 10 cited

A priori procedure to establish spinodal decomposition in alloys

Simon Divilov, Hagen Eckert, Cormac Toher +10

Spinodal decomposition can improve a number of essential properties in materials, especially hardness. Yet, the theoretical prediction of the onset of this phenomenon (e.g., temper…

cond-mat.mtrl-sci2022★ 26 cited

Molecular Beam Epitaxy of KTaO

Tobias Schwaigert, Salva Salmani-Razaie, Matthew R. Barone +6

Strain-engineering is a powerful means to tune the polar, structural, and electronic instabilities of incipient ferroelectrics. KTaO3 is near a polar instability and shows anisotro…

cond-mat.mtrl-sci2022★ 17 cited

Comprehensive Demonstration of Spin-Hall Hanle Effects in Epitaxial Pt Thin Films

Jing Li, Andrew H. Comstock, Dali Sun +1

We demonstrate a nonlinear Hall effect due to the boundary spin accumulation in Pt films grown on Al2O3 substrates. This Hall effect and the previously demonstrated Hanle magnetore…