EPJ Web of Conferences
Volume 41, 2013XVIIIth International Conference on Ultrafast Phenomena
|Number of page(s)||3|
|Section||Correlated Electron Systems, Magnetization, and Spin Dynamics|
|Published online||13 March 2013|
Ultrafast quasiparticle dynamics of FeTe0.75Se0.25 superconductor
1 Materials and Structures Laboratory,Tokyo Institute of Technology, R3-10, 4259 Nagatsuta, Yokohama 226-58503, Japan
2 CREST, Japan Science and Technolgy Agency, Kawaguchi 332-0012, Japan
3 Facalty of Engeneering, Yokohama National University, Yokohama 240-8501, Japan
4 National Defense Academy of Japan, Yokosuka 239-8686, Japan
The electron-phonon coupling constant (λ≈0.45) obtained from femtosecond pump-probe reflection measurements suggests that a phonon-mediated process cannot be the dominant mechanism for superconductivity of FeTe0.75Se0.25.
© Owned by the authors, published by EDP Sciences, 2013
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