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Direct Writing of Al on Si by UV Exposure Prior to Laser-Assisted CVD

Published online by Cambridge University Press:  28 February 2011

J. E. Bouree ,
J. Flicstein  and
Y. I. Nissim
J. E. Bouree
Affiliation:
C.N.R.S., Laboratoire de Physique des Solides, F-92195 Meudon, France
J. Flicstein
Affiliation:
C.N.E.T., Laboratoire de Bagneux, F-92220 Bagneux, France
Y. I. Nissim
Affiliation:
C.N.E.T., Laboratoire de Bagneux, F-92220 Bagneux, France
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Abstract

Photodissociation of trimethylaluminum molecules with a UV lamp is shown to be an effective technique for predisposing the irradiated silicon surface prior to subsequent aluminum film growth via visible laser induced pyrolysis. The Al deposits thus obtained are carbon contamination free. The UV exposure time needed for the onset of Al nucleation and growth is deduced from an in situ laser reflectometry technique. Direct laser writing is obtained using this two-step process and a microscopic analysis of the lines is made in correlation with the experimental procedure.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 75: Symposium B – Photon, Beam, and Plasma Stimulated Chemical Processes at Surfaces , 1986 , 129
Copyright
Copyright © Materials Research Society 1987

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