Time-resolved electron-temperature measurement in a highly excited gold target using femtosecond thermionic emission
- 15 September 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 50 (11) , 8016-8019
- https://doi.org/10.1103/physrevb.50.8016
Abstract
We report direct measurement of hot-electron temperatures and relaxation dynamics for peak electron temperatures between 3400 and 11 000 K utilizing two-pulse-correlation femtosecond (fs) thermionic emission. The fast relaxation times (<1.5 ps) are described by extending RT characterizations of the thermal conductivity, electron-phonon coupling, and electronic specific heat to these high electron temperatures.Keywords
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