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Self-Organization of Surface Patterns during Clustering

Published online by Cambridge University Press:  10 February 2011

Martin Zinke–Allmang
Affiliation:
Department of Physics, University of Western Ontario, London, ON N6A 3K7, Canada
Oleksa Hul'ko
Affiliation:
Department of Physics, University of Western Ontario, London, ON N6A 3K7, Canada
Sywert Brongersma
Affiliation:
Department of Physics, University of Western Ontario, London, ON N6A 3K7, Canada
Graham Carlow
Affiliation:
Department of Physics, University of Western Ontario, London, ON N6A 3K7, Canada
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Abstract

Ostwald ripening, early stage and late stage coalescence growth are well–characterized, fundamental late–stage processes in the phase separation of thin film deposits on surfaces. These processes have recently been studied in respect to ordering of the clustered phase. While late stage coalescence growth is associated with random positions of the growing clusters, partial ordering is observed for early stage coalescence and ripening

To obtain even higher order of clustering, additional physical driving forces must be included in the process. Two examples are discussed, one utilizing vertical correlation of clusters in super-lattice growth of coherent Stranski–Krastanov structures (coalescence based structures) and a novel concept based on preferential secondary clustering based on ripening morphologies.

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Type
Research Article
Copyright
Copyright © Materials Research Society 1999

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