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19942026
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cond-mat.mtrl-sci2025

Thermal and Size Effects in Ferroelastic Domains by Machine Learning

Luka Geddis Zellmann, Sumner B. Harris, John R. R. Scott +4

Ferroelastic domain walls (DWs) underpin key functionalities in complex oxides. In free-standing ferroic thin films, where elastic interactions are highly thickness dependent, unde…

cond-mat.mtrl-sci2025

Tailoring the Electronic Properties of Monoclinic (InxAl1-x)2O3 Alloys via Substitutional Donors and Acceptors

Mohamed Abdelilah Fadla, Myrta Grüning, Lorenzo Stella

Ultra-wide bandgap semiconductors such as \b{eta}-Ga2O3 are ideal materials for next-generation power electronic devices. Electronic and mechanical properties of \b{eta}-Ga2O3 can…

cond-mat.mtrl-sci2025

Direct Thermal Imaging of Domain Wall Hot Spots in LiNbO3

Lindsey R. Lynch, J. Marty Gregg, Amit Kumar +2

Ferroelectric domain wall devices offer a promising route to low-voltage, reconfigurable nanoelectronics by confining currents to nanoscale conducting interfaces within an insulati…

cond-mat.mtrl-sci2025

β-Ga2O3-Based Heterojunctions: Exploring Growth Orientations and Alloying on Electronic Properties

Mohamed Abdelilah Fadla, Khushabu Agrawal, Paolo La Torraca +3

We investigate the effects of alloying and growth orientation on the electronic properties of the ultra-wide bandgap semiconductor β-Ga2O3 and pseudomorphic (AlxGa1-x)2O3 alloy het…

cond-mat.mtrl-sci2025★ 4 cited

A real-time approach to frequency-mixing spectroscopies: application to sum and difference frequency generation in two-dimensional crystals

Mike N. Pionteck, Myrta Grüning, Simone Sanna +1

We propose a computational framework to extract non-linear response functions from real-time simulations in the presence of more than one external field. We apply this approach to…

cond-mat.mtrl-sci2024★ 1 cited

Evaluating the local bandgap across InxGa1-xAs multiple quantum wells in a metamorphic laser via low-loss EELS

Nicholas Stephen, Ivan Pinto-Huguet, Robert Lawrence +8

Using high resolution scanning transmission electron microscopy and low-loss electron energy loss spectroscopy, we correlate the local bandgap (Eg), indium concentration, and strai…