| Issue |
EPJ Web of Conferences
Volume 41, 2013
XVIIIth International Conference on Ultrafast Phenomena
|
|
|---|---|---|
| Article Number | 03009 | |
| Number of page(s) | 3 | |
| Section | Correlated Electron Systems, Magnetization, and Spin Dynamics | |
| DOI | https://doi.org/10.1051/epjconf/20134103009 | |
| Published online | 13 March 2013 | |
https://doi.org/10.1051/epjconf/20134103009
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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