Bunching of surface steps and facet formation on an alumina surface

N. Ravishankar; C. Barry Carter

doi:10.1557/jmr.2002.0016

Bunching of surface steps and facet formation on an alumina surface

N. Ravishankar
, C. Barry Carter

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The behavior of steps on the basal surface of alumina under conditions of evaporative mass 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.

Original language	English
Pages (from-to)	98-106
Number of pages	9
Journal	Journal of Materials Research
Volume	17
Issue number	1
DOIs	https://doi.org/10.1557/jmr.2002.0016
State	Published - Jan 1 2002
Externally published	Yes

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title = "Bunching of surface steps and facet formation on an alumina surface",

abstract = "The behavior of steps on the basal surface of alumina under conditions of evaporative mass 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.",

author = "N. Ravishankar and Carter, \{C. Barry\}",

year = "2002",

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AU - Carter, C. Barry

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N2 - The behavior of steps on the basal surface of alumina under conditions of evaporative mass 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.

AB - The behavior of steps on the basal surface of alumina under conditions of evaporative mass 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.

UR - https://www.scopus.com/pages/publications/0036259062

U2 - 10.1557/jmr.2002.0016

DO - 10.1557/jmr.2002.0016

M3 - Article

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VL - 17

SP - 98

EP - 106

JO - Journal of Materials Research

JF - Journal of Materials Research

IS - 1

ER -

Bunching of surface steps and facet formation on an alumina surface

Abstract

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