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Quantitative evaluation about property of thin-film formation
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UNSPECIFIED (2006) Quantitative evaluation about property of thin-film formation. Surface Science, 252 (10). pp. 3553-3560. doi:10.1016/j.apsusc.2005.05.025 ISSN 0169-4332.
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Official URL: http://dx.doi.org/10.1016/j.apsusc.2005.05.025
Abstract
Chemical vapor deposition (CVD) is gradually emphasized as one promising method for nanomaterial formation. Such growth mechanism has been mainly investigated oil basis of experiment. Due to large cost of the equipment of experiment and low level of current measurement, the comprehension about authentic effect of formation condition on propel-ties of nanomaterial is limited in qualitative manner. Three quantitative items: flatness of primary deposition, adhesion between cluster and substrate, and degree of epitaxial growth were proposed to evaluate the property of thin film. In this simulation, three different cluster sizes of 203, 653, 1563 atoms with different velocities (0, 10, 100, 1000, 3000 m/s) were deposited oil a Cu(001) substrate whose temperatures were set between 300 and 1000 K. Within one velocity range, not only the speed of epitaxial growth and adhesion between thin film and substrate were enhanced, but also the degree of epitaxy increased and the shape of thin film became more flat with velocity increasing. Moreover, the epitaxial growth became well as the temperature of substrate was raised within a certain range, and the degree of epitaxy of small cluster was larger than larger cluster. The results indicated that the property of thin film could be controlled if the effect of situations of process was made clear. (c) 2005 Elsevier B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | Surface Science | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0169-4332 | ||||
Official Date: | 15 March 2006 | ||||
Dates: |
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Volume: | 252 | ||||
Number: | 10 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 3553-3560 | ||||
DOI: | 10.1016/j.apsusc.2005.05.025 | ||||
Publication Status: | Published |
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