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Photoemission Study of Low-Fluence, Non-Thermal Laser Damage of UHV-Cleaved Gallium Arsenide (110)

Published online by Cambridge University Press:  26 February 2011

S. S. Goldenberg ,
J. P. Long  and
M. N. Kabler
S. S. Goldenberg
Affiliation:
Code 4686, Naval Research Laboratory, Washington, DC 20375–5000
J. P. Long
Affiliation:
Code 4686, Naval Research Laboratory, Washington, DC 20375–5000
M. N. Kabler
Affiliation:
Code 4686, Naval Research Laboratory, Washington, DC 20375–5000
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Abstract

The pulsed-laser induced photochemical production of metallic Ga islands on the surface of GaAs cleaved, irradiated, and studied in ultrahigh vacuum (UHV) is documented through photoelectron spectroscopy and subsequent scanning electron microscopy. Ga islands are detected for laser fluences as low as 1 mJ/cm2, far below those previously reported for modification of GaAs, and for which the temperature rise is negligible.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 201: Symposium A – Surface Chemistry and Beam-Solid Interactions , 1990 , 519
Copyright
Copyright © Materials Research Society 1991

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