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Femtosecond thermoreflectivity and thermotransmissivity of polycrystalline and single-crystalline gold films
Abstract
A femtosecond laser is used to generate and probe hot electrons in polycrystalline and single-crystalline thin gold films. Transient thermoreflectivity and thermotransmissivity measurements are performed. The hot-electron energy-loss lifetime is shown to be 1--3 ps and increases with laser fluence. For film thicknesses comparable to the optical skin depth, the lifetime for polycrystalline films is slightly shorter than that for single-crystalline films. For thicker films, hot-electron transport competes with energy loss. Electron transport appears to be slower in the polycrystalline films.
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Citations
Cites
Optical Constants of the Noble Metals
Johnson, P. B., & Christy, R. W. (1972) · Physical Review B · doi:10.1103/physrevb.6.4370 · Cited by 20,094
Cited by
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Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Lin, Z., Zhigilei, L. V., & Celli, V. (2008) · Physical Review B · doi:10.1103/physrevb.77.075133 · Cited by 1,444
Electron and lattice dynamics following optical excitation of metals
Hohlfeld, J., Wellershoff, S.-S., Güdde, J., Conrad, U., Jähnke, V., & Matthias, E. (2000) · Chemical Physics · doi:10.1016/s0301-0104(99)00330-4 · Cited by 984
Combined atomistic-continuum modeling of short-pulse laser melting and disintegration of metal films
Ivanov, D. S., & Zhigilei, L. V. (2003) · Physical Review B · doi:10.1103/physrevb.68.064114 · Cited by 788
Ultrafast Electron Dynamics and Optical Nonlinearities in Metal Nanoparticles
Voisin, C., Del Fatti, N., Christofilos, D., & Vallée, F. (2001) · The Journal of Physical Chemistry B · doi:10.1021/jp0038153 · Cited by 717
Metadata
- Authors
- Elsayed-Ali, H. E., Juhasz, T., Smith, G. O., & Bron, W. E.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1991-02-15
- Volume
- 43
- Issue
- 5
- Pages
- 4488-4491
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2043296984
- Cited by
- 192
- References
- 1
- FWCI
- 6.76
- Type
- journal article
- Language
- en
- Open access
- closed
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- Elsayed-Ali, H. E., Juhasz, T., Smith, G. O., & Bron, W. E. (1991). Femtosecond thermoreflectivity and thermotransmissivity of polycrystalline and single-crystalline gold films. Physical Review B. https://doi.org/10.1103/physrevb.43.4488
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
