Michael A. Guillorn, Josephine Chang, et al.
VLSI Technology 2011
This letter studies the morphological stability and specific resistivity of sub-10 nm silicide films of Ni, Ni 0.95 Pt 0.05, and Ni 0.9 Pt 0.1 formed on Si(100) substrate. When the deposited metal films are below 1 to 4 nm in thickness depending on the Pt content, the resultant silicide films tend to become epitaxially aligned to the Si substrate and hence exhibit an extraordinary morphological stability up to 800 °C. The presence of Pt in the silicides increases the film resistivity through alloy scattering, but alleviates, owing to a reduced electron mean free path, the frequently encountered sharp increase in resistivity in the sub-10 nm regime. © 2010 American Institute of Physics.
Michael A. Guillorn, Josephine Chang, et al.
VLSI Technology 2011
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Small
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IEDM 2007
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