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Rapid thermal annealing of Ti-rich TiNi thin films: A new approach to fabricate patterned shape memory thin films
Abstract This paper reports the rapid thermal annealing (RTA) of Ti-rich TiNi thin films, synthesized by the co-sputtering of TiNi and Ti targets. Long-range order of aperiodic alloy could be achieved in a few seconds with the optimum temperature of 773K. Longer annealing (773K/240s), transformed the film to a poorly ordered vitreous phase, suggesting a novel method for solid state amorphization. Reitveld refinement analyses showed significant differences in structural parameters of the films crystallized by rapid and conventional thermal annealing. Dependence of the elastic modulus on the valence electron density (VED) of the crystallized films was studied. It is suggested that RTA provides a new approach to fabricate patterned shape memory thin films.
Rapid thermal annealing of Ti-rich TiNi thin films: A new approach to fabricate patterned shape memory thin films
Abstract This paper reports the rapid thermal annealing (RTA) of Ti-rich TiNi thin films, synthesized by the co-sputtering of TiNi and Ti targets. Long-range order of aperiodic alloy could be achieved in a few seconds with the optimum temperature of 773K. Longer annealing (773K/240s), transformed the film to a poorly ordered vitreous phase, suggesting a novel method for solid state amorphization. Reitveld refinement analyses showed significant differences in structural parameters of the films crystallized by rapid and conventional thermal annealing. Dependence of the elastic modulus on the valence electron density (VED) of the crystallized films was studied. It is suggested that RTA provides a new approach to fabricate patterned shape memory thin films.
Rapid thermal annealing of Ti-rich TiNi thin films: A new approach to fabricate patterned shape memory thin films
Motemani, Y. (author) / Tan, M.J. (author) / White, T.J. (author) / Huang, W.M. (author)
2010-07-31
8 pages
Article (Journal)
Electronic Resource
English
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