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Structure and thermal properties of supported catalyst clusters for single-walled carbon nanotube growth

Journal article
Authors Feng Ding
Kim Bolton
Arne Rosen
Published in APPLIED SURFACE SCIENCE
Volume 252
Issue 15
Pages 5254-5258
ISSN 0169-4332
Publication year 2006
Published at Department of Physics (GU)
Pages 5254-5258
Language en
Keywords TRANSITION-METALS; DYNAMICS; SURFACE
Subject categories Physical Sciences

Abstract

Structure and thermal properties of supported iron clusters were studied using molecular dynamics simulations. When supported clusters are in the liquid state, their surfaces have spherical curvature, whereas solid clusters form a layered crystalline structure. The cluster freezing (melting) point increases dramatically with increasing cluster-substrate interaction strength, and rapid diffusion of cluster surface atoms is observed below the freezing point.

Page Manager: Webmaster|Last update: 9/11/2012
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