The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Relaxation dynamics in laser-excited metals under nonequilibrium conditions
Abstract
When an ultrashort laser pulse irradiates a metal, energy is absorbed by the electron system which is driven out of thermal equilibrium on a femtosecond time scale. Due to electron-electron collisions, a new thermodynamical equilibrium state within the electron system is established in a characteristic time, the so-called thermalization time. The absorbed energy of the electrons will be further transferred to the phononic system. The thermalization time as well as the electron-phonon coupling strength both strongly depend on the material properties and the excitation type. Furthermore, a nonthermalized electron gas couples differently to the phononic system as a thermalized one. In order to follow the relevant microscopic dynamics without the need to assume thermalized electrons, we apply complete Boltzmann collision integrals to describe the transient electron distribution due to excitation, thermalization, and relaxation. We implement the density of states of real materials in our approach. As a result of our simulations, we extract the electron thermalization time and the electron-phonon coupling under nonequilibrium conditions. Examples are given for aluminum, gold, and nickel.
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Cites
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Cited by
Kanitz, A., Kalus, M.-R., Gurevich, E. L., Ostendorf, A., Barcikowski, S., & Amans, D. (2019) · Plasma Sources Science and Technology · doi:10.1088/1361-6595/ab3dbe · Cited by 195
Mechanisms of nonequilibrium electron-phonon coupling and thermal conductance at interfaces
Giri, A., Gaskins, J. T., Donovan, B. F., Szwejkowski, C., Warzoha, R. J., Rodriguez, M. A., Ihlefeld, J., & Hopkins, P. E. (2015) · Journal of Applied Physics · doi:10.1063/1.4914867 · Cited by 101
Impact of liquid environment on femtosecond laser ablation
Kanitz, A., Hoppius, J. S., Fiebrandt, M., Awakowicz, P., Esen, C., Ostendorf, A., & Gurevich, E. L. (2017) · Applied Physics A · doi:10.1007/s00339-017-1280-z · Cited by 38
Metadata
- Authors
- Mueller, B. Y., & Rethfeld, B.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2013-01-30
- Volume
- 87
- Issue
- 3
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2312435277
- Cited by
- 299
- References
- 39
- FWCI
- 24.80
- Type
- journal article
- Language
- en
- Open access
- closed
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