Degree Department

Potential-induced nanoclustering of metallic catalysts during electrochemical CO2 reduction (open access)

Potential-induced nanoclustering of metallic catalysts during electrochemical CO2 reduction

This article reveals the unique and general degradation mechanism of metallic nanocatalysts during electrochemical CO₂ reduction, exemplified by different sized copper nanocubes.
Date: August 6, 2018
Creator: Huang, Jianfeng; Hörmann, Nicolas; Oveisi, Emad; Loiudice, Anna; De Gregorio, Gian Luca; Andreussi, Oliviero et al.
System: The UNT Digital Library
Deep Minimum and a Vortex for Positronium Formation in Low-Energy Positron-Helium Collisions (open access)

Deep Minimum and a Vortex for Positronium Formation in Low-Energy Positron-Helium Collisions

This article finds a zero in the positronium formation scattering amplitude and a deep minimum in the logarithm of the corresponding differential cross section for positron–helium collisions for an energy just above the positronium formation threshold. Results show that there is a valley in the logarithm of the positronium formation differential cross section that includes the deep minimum and also a minimum in the forward direction.
Date: August 6, 2021
Creator: Alrowaily, Albandari W.; Quintanilla, Sandra J. & Van Reeth, Peter
System: The UNT Digital Library