Growth of n-alkane films on a single-crystal substrate

Z. Wu; S. N. Ehrlich; B. Matthies; K. W. Herwig; Pengcheng Dai; U. G. Volkmann; F. Y. Hansen; H. Taub

doi:10.1016/S0009-2614(01)01147-2

Growth of n-alkane films on a single-crystal substrate

Z. Wu, S. N. Ehrlich, B. Matthies, K. W. Herwig, Pengcheng Dai, U. G. Volkmann, F. Y. Hansen, H. Taub

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

31 Scopus citations

Abstract

The structure and growth mode of alkane films (n-C_nH_2n+2; n=4, 6, 7) adsorbed on a Ag(111) surface have been investigated by synchrotron X-ray scattering. New models are proposed for the butane (n=4) and hexane (n=6) monolayer and butane bilayer structures. Specular reflectivity scans reveal that growth of all films is preempted between two and three layers by nucleation of bulk particles oriented with a single bulk crystal plane parallel to the film. In the case of butane, the bulk particles also have a fixed azimuthal relationship with the film resulting in complete epitaxy.

Original language	English
Pages (from-to)	168-174
Number of pages	7
Journal	Chemical Physics Letters
Volume	348
Issue number	3-4
DOIs	https://doi.org/10.1016/S0009-2614(01)01147-2
State	Published - Nov 9 2001
Externally published	Yes

Funding

Acknowledgment is made to the US National Science Foundation under Grant Nos. DMR-9314235, INT-9605227, and DMR-9802476, to the University of Missouri Research Reactor, to the donors of The Petroleum Research Fund administered by the ACS, and to the US Department of Energy under Grant No. DE-FG02-85ER45183 of the MATRIX Participating Research Team for partial support of this research.

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title = "Growth of n-alkane films on a single-crystal substrate",

abstract = "The structure and growth mode of alkane films (n-CnH2n+2; n=4, 6, 7) adsorbed on a Ag(111) surface have been investigated by synchrotron X-ray scattering. New models are proposed for the butane (n=4) and hexane (n=6) monolayer and butane bilayer structures. Specular reflectivity scans reveal that growth of all films is preempted between two and three layers by nucleation of bulk particles oriented with a single bulk crystal plane parallel to the film. In the case of butane, the bulk particles also have a fixed azimuthal relationship with the film resulting in complete epitaxy.",

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AU - Wu, Z.

AU - Ehrlich, S. N.

AU - Matthies, B.

AU - Herwig, K. W.

AU - Dai, Pengcheng

AU - Volkmann, U. G.

AU - Hansen, F. Y.

AU - Taub, H.

PY - 2001/11/9

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AB - The structure and growth mode of alkane films (n-CnH2n+2; n=4, 6, 7) adsorbed on a Ag(111) surface have been investigated by synchrotron X-ray scattering. New models are proposed for the butane (n=4) and hexane (n=6) monolayer and butane bilayer structures. Specular reflectivity scans reveal that growth of all films is preempted between two and three layers by nucleation of bulk particles oriented with a single bulk crystal plane parallel to the film. In the case of butane, the bulk particles also have a fixed azimuthal relationship with the film resulting in complete epitaxy.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 3-4

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Growth of n-alkane films on a single-crystal substrate

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