Ultrafast quasiparticle dynamics of FeTe0.75Se0.25 superconductorY. Kabasawa, T. Eda, J. Hu, I. Katayama, J. Takeda, M. Kitajima, T. Katagiri, T. Sasagawa and K. G. NakamuraEPJ Web of Conferences, 41 (2013) 03009DOI: https://doi.org/10.1051/epjconf/20134103009