Ho, K. T. and Lien, C. D. and Nicolet, M-A. (1985) Palladium silicide formation under the influence of nitrogen and oxygen impurities. Journal of Applied Physics, 57 (2). pp. 232-236. ISSN 0021-8979. http://resolver.caltech.edu/CaltechAUTHORS:HOKjap85a
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Abstract
The effect of impurities on the growth of the Pd2Si layer upon thermal annealing of a Pd film on <100> and amorphous Si substrates is investigated. Nitrogen and oxygen impurities are introduced into either Pd or Si which are subsequently annealed to form Pd2Si. The complementary techniques of Rutherford backscattering spectrometry, and 15N(p,alpha)12C or 18O(p,alpha)15N nuclear reaction, are used to investigate the behavior of nitrogen or oxygen and the alterations each creates during silicide formation. Both nitrogen and oxygen retard the silicide growth rate if initially present in Si. When they are initially in Pd, there is no significant retardation; instead, an interesting "snow-plowing" effect of N or O by the reaction interface of Pd2Si is observed. By using N implanted into Si as a marker, Pd and Si appear to trade roles as the moving species, when the silicide front reaches the nitrogen-rich region.
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| Additional Information: | © 1985 American Institute of Physics. Received 13 June 1984; accepted 1 August 1984. The authors would like to acknowledge Ali Ghaffari for technical assistance. The implanter part of this study was financially supported by the U.S. Department of Energy through an agreement with the National Aeronautics and Space Administration and monitored by the Jet Propulsion Laboratory, California Institute of Technology (D. Burger). | |||||||||
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| Subject Keywords: | RBS, PALLADIUM SILICIDES, IMPURITIES, ANNEALING, PALLADIUM, AMORPHOUS STATE, SILICON, CRYSTAL GROWTH, PROTON REACTIONS, KNOCK−OUT REACTIONS, SELF−DIFFUSION, SYNTHESIS, NITROGEN, NITRIDATION | |||||||||
| Record Number: | CaltechAUTHORS:HOKjap85a | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:HOKjap85a | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 12600 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Archive Administrator | |||||||||
| Deposited On: | 15 Dec 2008 17:57 | |||||||||
| Last Modified: | 19 Jul 2017 22:09 |
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