Nanoscale Morphology Control Using Ion Beams

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Nanoscale Morphology Control Using Ion Beams

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Title: Nanoscale Morphology Control Using Ion Beams
Author: Aziz, Michael
Citation: Aziz, Michael J. 2006. Nanoscale Morphology Control Using Ion Beams. In On Beam Science: Solved and Unsolved Problems: Invited Lectures Presented at a Symposium Arranged by the Royal Danish Academy of Sciences and Letters, Copenhagen, 1-5 May 2006, ed. Peter Sigmund, 187-206. Pt. II. Matematisk-fysiske meddelelser, 52:2. Copenhagen: Det Kongelige Danske Videnskabernes Selskab.
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Abstract: Ion irradiation of a solid surface can be used to control surface morphology on length scales from 1 micron to 1 nanometer. Focused or unfocused ion irradiation induces a spontaneous self-organization of the surface into nanometer-sized ripples, dots, or holes; it also induces diameter increases and decreases in pre-existing nanopores. The phenomenology of the surface morphological evolution under ion beam erosion is reviewed with an emphasis on semiconducting materials, including recent experiments on the influence of boundary conditions on guiding self-organized pattern formation; the development of shock fronts that sharpen features at sufficiently steep angles; and the kinetics governing the fabrication of nanopores for single-biomolecule detectors. The theory underlying the surface morphology evolution is reviewed and areas of agreement and disagreement with experiment are identified.
Other Sources: www.seas.harvard.edu/matsci/people/aziz/publications/mja173.pdf
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:2897186

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  • FAS Scholarly Articles [7495]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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