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Subnanosecond Time-Resolved Electron Diffraction from Thin Crystalline Gold Films

Published online by Cambridge University Press:  25 February 2011

Hsiu-Cheng Chen ,
Gerard A. Mourou  and
Robert S. Knox
Hsiu-Cheng Chen
Affiliation:
Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 Also at: Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627-0011
Gerard A. Mourou
Affiliation:
Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299
Robert S. Knox
Affiliation:
Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299 Also at: Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627-0011
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Abstract

A 100-ps-resolution electron pulse was used to study a 25-nm thick gold single crystal irradiated by a synchronized infrared optical pulse. The change in electron diffraction intensity following laser heating (the Debye-Waller effect) was measured as a function of delay time. The relaxation of a crystal lattice distortion in the surface region appears to explain an observed oscillation in time of the scattered electron intensity. This novel technique provides a sensitive structure probe for short-time dynamics and is, we believe, the fastest lattice temperature probe.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 157: Symposium A – Beam-Solid Interactions: Physical Phenomena , 1989 , 437
Copyright
Copyright © Materials Research Society 1990

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References

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