3 papers
cond-mat.mtrl-sci2025
Ab initio X-ray Near-Edge Spectroscopy of Sodium-Based Multi-Alkali Antimonides
Chung Xu, Richard Schier, Caterina Cocchi
Multi-alkali antimonides (MAAs) are promising materials for vacuum electron sources. While sodium-based MAAs have demonstrated superior characteristics for ultrabright electron sou…
cond-mat.mtrl-sci2025
Electronic and optical excitations of K-Sb and Na-Sb crystals
Richard Schier, Caterina Cocchi
Recent advances in experimental techniques and computational methods have significantly expanded the family of alkali antimonides, a class of semiconducting materials used as photo…
cond-mat.mtrl-sci2024
Electronic and optical properties of computationally predicted Na-K-Sb crystals
Chung Xu, Richard Schier, Caterina Cocchi
Thanks to their favorable electronic and optical properties, sodium-potassium-antimonides are an emerging class of crystals used as photocathodes in particle accelerators. The pers…