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Effect of thermodynamics on ion mixing

Workman, T. W. and Cheng, Y. T. and Johnson, W. L. and Nicolet, M.-A. (1987) Effect of thermodynamics on ion mixing. Applied Physics Letters, 50 (21). pp. 1485-1487. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:WORapl87

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Abstract

Ion mixing of elemental 4d-5d metallic bilayers at 77 K by 600 keV Xe + + ions has been studied to test the validity of the phenomenological model of ion mixing that predicts a dependence on the chemical heats of mixing, DeltaHmix, and on the cohesive energies, DeltaHcoh, of the bilayer elements. A series of samples was chosen to minimize the variation in kinematical properties between samples while maximizing the variation in heats of mixing. The experimental results agree well with the model's predictions, and the experimentally determined constants K1=0.034 Å and K2=27 agree with those of previous work.


Item Type:Article
Additional Information:Copyright © 1987 American Institute of Physics (Received 10 December 1986; accepted 30 March 1987) We thank R. Gorris and D. Groseth for technical assistance. Financial support by the Office of Naval Research under contract N00014-84-K-0275 is gratefully acknowledged.
Subject Keywords:ION COLLISIONS; BILAYERS; MIXING; MIXING HEAT; METALS
Record Number:CaltechAUTHORS:WORapl87
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:WORapl87
Alternative URL:http://dx.doi.org/10.1063/1.98253
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3040
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:12 May 2006
Last Modified:26 Dec 2012 08:52

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