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dc.contributor.authorHolmes-Cerfon, Mirandaen
dc.contributor.authorZhou, Weien
dc.contributor.authorBertozzi, Andrea L.en
dc.contributor.authorBrenner, Michael P.en
dc.contributor.authorAziz, Michael J.en
dc.identifier.citationHolmes-Cerfon, M., Zhou, W., Bertozzi, A. L., Brenner, M. P., & Aziz, M. J. (2012). Development of knife-edge ridges on ion-bombarded surfaces. Applied Physics Letters, 101(14), 143109-.en
dc.description.abstractWe demonstrate in both laboratory and numerical experiments that ion bombardment of a modestly sloped surface can create knife-edge like ridges with extremely high slopes. Small pre-fabricated pits expand under ion bombardment, and the collision of two such pits creates knife-edge ridges. Both laboratory and numerical experiments show that the pit propagation speed and the precise shape of the knife edge ridges are universal, independent of initial conditions, as has been predicted theoretically. These observations suggest a method of fabrication in which a surface is pre-patterned so that it dynamically evolves to a desired target pattern made of knife-edge ridges.en
dc.relation.ispartofseriesApplied physics lettersen
dc.rights© 2012 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [ ]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleDevelopment of knife-edge ridges on ion-bombarded surfacesen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionPublished versionen
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