3 papers
cond-mat.mtrl-sci2026
Deformation-induced amorphous complexion transitions elevate strength and ductility
Masoud Ahmadi, Jin Qin, Gabrielle Tiphéne +6
Grain boundary engineering is a major avenue for tailoring the mechanical behavior of polycrystalline materials. Grain boundary complexions, including amorphous intergranular films…
cond-mat.mtrl-sci2023
Band gap reduction in highly-strained silicon beams predicted by first-principles theory and validated using photoluminescence spectroscopy
Nicolas Roisin, Marie-Stéphane Colla, Romain Scaffidi +3
A theoretical study of the band gap reduction under tensile stress is performed and validated through experimental measurements. First-principles calculations based on density func…
cs.OH2007
New Internal Stress Driven on-Chip Micromachines for Extracting Mechanical Properties of Thin Films
D. Fabrègue, Nicolas André, T. Pardoen +1
A new concept of micromachines has been developed for measuring the mechanical properties of thin metallic films. The actuator is a beam undergoing large internal stresses built up…