ELECTRON-DIFFUSION IN METALS STUDIED BY PICOSECOND ULTRASONICS

Authors
TAS G MARIS HJ
Citation
G. Tas et Hj. Maris, ELECTRON-DIFFUSION IN METALS STUDIED BY PICOSECOND ULTRASONICS, Physical review. B, Condensed matter, 49(21), 1994, pp. 15046-15054
Citations number
33
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
49
Issue
21
Year of publication
1994
Pages
15046 - 15054
Database
ISI
SICI code
0163-1829(1994)49:21<15046:EIMSBP>2.0.ZU;2-L
Abstract
We have studied the ultrasonic pulses that are generated when a picose cond light pulse is absorbed in a metallic film. The pulse shape is in fluenced by the distance that the hot electrons diffuse before losing their energy to the lattice. We show that this method can be used to t est theories of the electron-phonon and electron-electron scattering r ates. The results are in excellent agreement with a calculation in whi ch the nonthermal character of the electron distribution is taken into account.