Apparent activation energy during surface evolution by step formation and flow

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Gosálvez, M.A.
dc.contributor.author Cheng, D.
dc.contributor.author Nieminen, Risto
dc.contributor.author Sato, K.
dc.date.accessioned 2018-05-22T14:50:24Z
dc.date.available 2018-05-22T14:50:24Z
dc.date.issued 2006-11-09
dc.identifier.citation Gosálvez , M A , Cheng , D , Nieminen , R & Sato , K 2006 , ' Apparent activation energy during surface evolution by step formation and flow ' New Journal of Physics , vol 8 , 269 , pp. 1-11 . DOI: 10.1088/1367-2630/8/11/269 en
dc.identifier.issn 1367-2630
dc.identifier.other PURE UUID: dfd33802-e44d-41f7-b5a3-9baa63b2ebb6
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/apparent-activation-energy-during-surface-evolution-by-step-formation-and-flow(dfd33802-e44d-41f7-b5a3-9baa63b2ebb6).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=33750897173&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/14611421/Gos_lvez_2006_New_J._Phys._8_269_1.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/31212
dc.description.abstract During growth and etching by step flow as examples of anisotropic surface processing the apparent activation energy of the growth/etch rate depends on orientation, increasing gradually as a principal, terrace-rich surface is approached. This behaviour is traditionally explained as a change in the dominating process from step propagation to island/pit nucleation. We show that the orientation dependence of the activation energy is actually the result of a traditionally disregarded temperature dependence in the number of active step sites and is not attributable to an increasing role of step nucleation nor to a purely geometrical decrease in the number of step sites. This modifies the traditional picture of the apparent energy for a principal surface and explains how the energy can be higher than, equal to or even lower than that for vicinal orientations. en
dc.format.extent 1-11
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries New Journal of Physics en
dc.relation.ispartofseries Volume 8 en
dc.rights openAccess en
dc.subject.other Physics and Astronomy(all) en
dc.title Apparent activation energy during surface evolution by step formation and flow en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Nagoya University
dc.contributor.department Department of Applied Physics
dc.subject.keyword Physics and Astronomy(all)
dc.identifier.urn URN:NBN:fi:aalto-201805222652
dc.identifier.doi 10.1088/1367-2630/8/11/269
dc.type.version publishedVersion


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