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Evolution of surface roughness during metal silicides phase transformation.

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Evolution of surface roughness during metal silicides phase transformation.

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Title: Evolution of surface roughness during metal silicides phase transformation.
Author: Pang, C. H.; Hing, P.; Zhao, F. F.; See, A.; Chong, Y. F.; Lee, Pooi See.
Copyright year: 2004
Abstract: This study monitors systematically the evolution of surface roughness during metal (Ti, Co, and Ni) silicides phase transformation and coupling to other physical parameters. During metal/silicon reaction film surface roughness evolves due to the effect of nucleation and growth of metal silicides and is sensitive to different processing conditions. In general, surface roughness increases as new phases are formed and decreases during grain growth. The difference in roughness between processes indicates whether a process is more inferior for new phase formation. The correlation of surface roughness towards sheet resistance, film thickness, and phase transformation are found to be independent of film thickness in C49-to-C54 TiSi2 polymorphic transformation but not for Co and Ni silicides. Any abnormalities from the trend indicate that the film is experiencing a physical degradation.
Subject: DRNTU::Engineering::Materials.
Type: Journal Article
Series/ Journal Title: Journal of vacuum science & technology A
School: School of Materials Science and Engineering
Rights: © 2004 American Vacuum Society. This paper was published in Journal of Vacuum Science & Technology A and is made available as an electronic reprint (preprint) with permission of American Vacuum Society. The paper can be found at DOI: [http://dx.doi.org/10.1116/1.1636158 ].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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