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dc.contributor.authorAramesh, Morteza
dc.contributor.authorMayamei, Yashar
dc.contributor.authorWolff, Annalena
dc.contributor.authorOstrikov, Kostya Ken
dc.date.accessioned2019-07-11T03:01:31Z
dc.date.available2019-07-11T03:01:31Z
dc.date.issued2018
dc.identifier.issn2041-1723
dc.identifier.doi10.1038/s41467-018-03316-7
dc.identifier.urihttp://hdl.handle.net/10072/385496
dc.description.abstractExposed to ionizing radiation, nanomaterials often undergo unusual transformations compared to their bulk form. However, atomic-level mechanisms of such transformations are largely unknown. This work visualizes and quantifies nanopore shrinkage in nanoporous alumina subjected to low-energy ion beams in a helium ion microscope. Mass transport in porous alumina is thus simultaneously induced and imaged with nanoscale precision, thereby relating nanoscale interactions to mesoscopic deformations. The interplay between chemical bonds, disorders, and ionization-induced transformations is analyzed. It is found that irradiation-induced diffusion is responsible for mass transport and that the ionization affects mobility of diffusive entities. The extraordinary room temperature superplasticity of the normally brittle alumina is discovered. These findings enable the effective manipulation of chemical bonds and structural order by nanoscale ion-matter interactions to produce mesoscopic structures with nanometer precision, such as ultra-high density arrays of sub-10-nm pores with or without the accompanying controlled plastic deformations.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherNATURE PUBLISHING GROUP
dc.relation.ispartofpagefrom1
dc.relation.ispartofpageto8
dc.relation.ispartofjournalNATURE COMMUNICATIONS
dc.relation.ispartofvolume9
dc.subject.fieldofresearchNanomaterials
dc.subject.fieldofresearchcode401807
dc.titleSuperplastic nanoscale pore shaping by ion irradiation
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dcterms.licensehttp://creativecommons.org/licenses/by/4.0/
gro.rights.copyright© The Author(s) 2018. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.
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gro.griffith.authorOstrikov, Ken


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