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Femtosecond room-temperature measurement of the electron-phonon coupling constant γ in metallic superconductors
Abstract
We report the first systematic femtosecond pump-probe measurements of the electron-phonon coupling constant \ensuremath{\lambda} in thin films of Cu, Au, Cr, Ti, W, Nb, V, Pb, NbN, and ${\mathrm{V}}_{3}$Ga. The agreement between our measured \ensuremath{\lambda} values and those obtained by other techniques is excellent, thus confirming recent theoretical predictions of Allen. By depositing thin Cu overlayers when necessary, we can extend this technique to nearly any metallic thin film.
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Cited by
Femtosecond, picosecond and nanosecond laser ablation of solids
Chichkov, B. N., Momma, C., Nolte, S., Alvensleben, F., & Tünnermann, A. (1996) · Applied Physics A Materials Science & Processing · doi:10.1007/bf01567637 · Cited by 3,066
Ultrafast Spin Dynamics in Ferromagnetic Nickel
Beaurepaire, E., Merle, J.-C., Daunois, A., & Bigot, J.-Y. (1996) · Physical Review Letters · doi:10.1103/physrevlett.76.4250 · Cited by 2,457
Kapitza conductance and heat flow between solids at temperatures from 50 to 300 K
Stoner, R. J., & Maris, H. J. (1993) · Physical Review B · doi:10.1103/physrevb.48.16373 · Cited by 646
Jiang, P., Qian, X., & Yang, R. (2018) · Journal of Applied Physics · doi:10.1063/1.5046944 · Cited by 424
Electron Diffusion in Metals Studied by Picosecond Ultrasonics
Tas, G., & Maris, H. J. (1994) · Physical Review B · doi:10.1103/physrevb.49.15046 · Cited by 344
Metadata
- Authors
- Brorson, S. D., Kazeroonian, A., Moodera, J. S., Face, D. W., Cheng, T. K., Ippen, E. P., Dresselhaus, M. S., & Dresselhaus, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1990-04-30
- Volume
- 64
- Issue
- 18
- Pages
- 2172-2175
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2027243019
- Cited by
- 671
- References
- 0
- FWCI
- 10.51
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Femtosecond room-temperature measurement of the electron-phonon coupling constant γ in metallic superconductors. https://app.cochat.ai/papers/10.1103/physrevlett.64.2172
- The paper
- Brorson, S. D., Kazeroonian, A., Moodera, J. S., Face, D. W., Cheng, T. K., Ippen, E. P., Dresselhaus, M. S., & Dresselhaus, G. (1990). Femtosecond room-temperature measurement of the electron-phonon coupling constant γ in metallic superconductors. Physical Review Letters. https://doi.org/10.1103/physrevlett.64.2172
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