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Development of band patterns in surface films: A simple theory

Fletcher, Neville H.

Description

Semiconductor technology often employs thin films deposited on crystal surfaces, and in some cases these films can self-organize into band, ring or spiral patterns during annealing. A simple theory is proposed which predicts the stability or instability of such films and, in the case of instability, the band spacing, which depends upon bulk, surface and interfacial free energies. This information could be of use in self-assembly techniques. In some cases, bands condense into particle arrays...[Show more]

dc.contributor.authorFletcher, Neville H.
dc.date.accessioned2015-12-10T23:13:26Z
dc.identifier.issn1478-6435
dc.identifier.urihttp://hdl.handle.net/1885/64421
dc.description.abstractSemiconductor technology often employs thin films deposited on crystal surfaces, and in some cases these films can self-organize into band, ring or spiral patterns during annealing. A simple theory is proposed which predicts the stability or instability of such films and, in the case of instability, the band spacing, which depends upon bulk, surface and interfacial free energies. This information could be of use in self-assembly techniques. In some cases, bands condense into particle arrays upon further annealing, and a theoretical model is developed to predict the subsequent evolution of circular band patterns by diffusion, which causes the regular disappearance of alternate bands.
dc.publisherTaylor & Francis Group
dc.sourcePhilosophical Magazine
dc.subjectKeywords: Band patterns; Crystal surfaces; Interfacial free energy; Particle arrays; rings; Self-assembly technique; Self-organize; Semiconductor technology; Spiral pattern; Surface films; Theoretical models; Diffusion in solids; Nanoparticles; Ostwald ripening; Se band patterns; nanoparticles; Ostwald ripening; rings; surface diffusion; thin films
dc.titleDevelopment of band patterns in surface films: A simple theory
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume90
dc.date.issued2010
local.identifier.absfor029999 - Physical Sciences not elsewhere classified
local.identifier.ariespublicationf2965xPUB935
local.type.statusPublished Version
local.contributor.affiliationFletcher, Neville, College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue30
local.bibliographicCitation.startpage3975
local.bibliographicCitation.lastpage3985
local.identifier.doi10.1080/14786435.2010.502147
dc.date.updated2016-02-24T08:34:01Z
local.identifier.scopusID2-s2.0-77956352736
local.identifier.thomsonID000281607200004
CollectionsANU Research Publications

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