Nanopore sculpting with noble gas ions

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Nanopore sculpting with noble gas ions

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Title: Nanopore sculpting with noble gas ions
Author: Cai, Qun; Ledden, Brad; Krueger, Eric; Golovchenko, Jene Andrew; Li, Jiali

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Citation: Cai, Qun, Brad Ledden, Eric Krueger, Jene A. Golovchenko, and Jiali Li. 2006. “Nanopore Sculpting with Noble Gas Ions.” Journal of Applied Physics 100 (2): 024914. doi:10.1063/1.2216880.
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Abstract: We demonstrate that 3keVion beams, formed from the common noble gases, He, Ne, Ar, Kr, and Xe, can controllably “sculpt” nanometer scale pores in silicon nitride films. Single nanometer control of structural dimensions in nanopores can be achieved with all ion species despite a very wide range of sputtering yields and surface energy depositions. Heavy ions shrink pores more efficiently and make thinner pores than lighter ions. The dynamics of nanopore closing is reported for each ion species and the results are fitted to an adatom diffusion model with excellent success. We also present an experimental method for profiling the thickness of the local membrane around the nanopore based on low temperature sputtering and data is presented that provides quantitative measurements of the thickness and its dependence on ion beam species.
Published Version: doi:10.1063/1.2216880
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3039599/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:21976471
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