2026
- Thermodynamics of the ultrafast phase transition of vanadium dioxide
Shreya Bagchi, Ernest Pastor, José Santiso, Allan S. Johnson and Simon Wall
arXiv preprint arXiv:2603.04600 (2026) - Non-linear X-ray Coherent Diffractive Imaging
Arnab Sarkar and Allan S. Johnson
arXiv preprint arXiv:2512.15457 (2026)
2025
- Electron coherent phonon coupling in PrCaMnO measured with ultrafast broadband spectroscopy
Emmanuel B Amuah, Khalid M Siddiqui, Maurizio Monti, Daniel Pérez-Salinas, Hanna Strojecka, Thomas H Meyland, Allan S Johnson and Simon E Wall
arXiv preprint arXiv:2508.14834 (2025) - Decoupled few-femtosecond phase transitions in vanadium dioxide
Christian Brahms, Lin Zhang, Xiao Shen, Utso Bhattacharya, Maria Recasens, Johann Osmond, Tobias Grass, Ravindra W Chhajlany, Kent A Hallman, Richard F Haglund, Sokrates T Pantelides, Maciej Lewenstein, John C Travers, Allan S Johnson
Nature Communications 16 (1), 3714 (2025)