Bunching of surface steps and facet formation on analumina surface

Ravishankar, N. ; Carter, C. Barry (2002) Bunching of surface steps and facet formation on analumina surface Journal of the Materials Research, 17 (01). pp. 98-106. ISSN 0884-2914

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Official URL: https://www.cambridge.org/core/journals/journal-of...

Related URL: http://dx.doi.org/10.1557/JMR.2002.0016

Abstract

The behavior of steps on the basal surface of alumina under conditions of evaporativemass transport has been investigated. Steps on a clean surface of alumina tend to be uniformly spaced indicating a repulsive interaction between the steps. The presence of foreign particles causes step bunching that leads to the formation of a new facet. The lower energy of the macrofacet may provide a driving force for the bunching process.

Item Type:Article
Source:Copyright of this article belongs to Cambridge University Press.
ID Code:104759
Deposited On:01 Feb 2018 15:18
Last Modified:01 Feb 2018 15:18

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