期刊
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
卷 33, 期 4, 页码 -出版社
A V S AMER INST PHYSICS
DOI: 10.1116/1.4919739
关键词
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资金
- National Science Foundation [CMMI 1335283]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1335283] Funding Source: National Science Foundation
Ultrathin, 65 nm thick, TiNi alloy films were fabricated by cosputtering Ti and Ni targets using the recently developed biased target ion beam deposition technique. Preheating the substrate by exposure to a low energy ion source resulted in as-deposited films with a pure B2 atomic crystal structure containing no secondary crystal structures or precipitates. Continuous films were produced with a smooth surface and minimal substrate/ film interfacial diffusion. The diffusion layer was a small ratio of film thickness, which is a prerequisite for the B2 phase to undergo the martensitic transformation in ultrathin films. (C) 2015 American Vacuum Society.
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