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Growth dynamics of C60 thin films: effect of molecular structure
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Yim, S. and Jones, T. S. (Tim S.) (2009) Growth dynamics of C60 thin films: effect of molecular structure. Applied Physics Letters, Vol.94 (No.2). 021911. doi:10.1063/1.3072805 ISSN 0003-6951.
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Official URL: http://dx.doi.org/10.1063/1.3072805
Abstract
The surface morphology and growth behavior of fullerene thin films have been studied by atomic force microscopy and height difference correlation function analysis. In contrast to the large growth exponents (beta) previously reported for other organic semiconductor thin-film materials, a relatively small beta value of 0.39±0.10 was determined. Simulations of (1+1)-dimensional surface lateral diffusion models indicate that the evolution of deep grain boundaries leads to a rapid increase in beta. We suggest that the commonly observed large beta values for organic thin films are due to their intrinsically anisotropic molecular structures and hence different stacking directions between crystallite domains.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Atomic force microscopy, Semiconductor films, Fullerenes, Morphology, Semiconductors -- Diffusion | ||||
Journal or Publication Title: | Applied Physics Letters | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0003-6951 | ||||
Official Date: | 16 January 2009 | ||||
Dates: |
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Volume: | Vol.94 | ||||
Number: | No.2 | ||||
Page Range: | 021911 | ||||
DOI: | 10.1063/1.3072805 | ||||
Status: | Peer Reviewed | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Funder: | Han'guk Haksul Chinhŭng Chaedan [Korea Research Foundation] (HHCC), Kungmin Taehakkyo (Korea) (KT) | ||||
Grant number: | KRF-2008-331- C00138 (HHCC) |
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