Dynamics of intermediate-length alkane films absorbed on graphite

K. W. Herwig; D. Fuhrmann; L. Criswell; H. Taub; F. Y. Hansen; R. Dimeo; D. A. Neumann

doi:10.1051/jp4:2000731

Dynamics of intermediate-length alkane films absorbed on graphite

K. W. Herwig, D. Fuhrmann, L. Criswell, H. Taub, F. Y. Hansen, R. Dimeo, D. A. Neumann

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

The dynamics of flexible chain molecules near a solid interface is of fundamental interest in polymer science. This paper makes a preliminary report on a quasielastic neutron scattering study of the dynamics of monolayer films of C₂₄H₅₀ adsorbed on graphite. Quasielastic scattering was observed at temperatures as low as approximately 180 K, well below the monolayer melting temperature of 340 K. Preliminary analysis of the data indicates that at 230 K the entire molecule executes a rolling motion about its long axis while the terminal methyl groups exhibit relatively rapid reorientation.

Original language	English
Pages (from-to)	Pr7-157-Pr7-160
Journal	Journal De Physique. IV : JP
Volume	10
Issue number	7
DOIs	https://doi.org/10.1051/jp4:2000731
State	Published - 2000
Externally published	Yes
Event	International Workshop on Dynamics in Confinement - Grenoble, France Duration: Jan 26 2000 → Jan 29 2000

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title = "Dynamics of intermediate-length alkane films absorbed on graphite",

abstract = "The dynamics of flexible chain molecules near a solid interface is of fundamental interest in polymer science. This paper makes a preliminary report on a quasielastic neutron scattering study of the dynamics of monolayer films of C24H50 adsorbed on graphite. Quasielastic scattering was observed at temperatures as low as approximately 180 K, well below the monolayer melting temperature of 340 K. Preliminary analysis of the data indicates that at 230 K the entire molecule executes a rolling motion about its long axis while the terminal methyl groups exhibit relatively rapid reorientation.",

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AU - Herwig, K. W.

AU - Fuhrmann, D.

AU - Criswell, L.

AU - Taub, H.

AU - Hansen, F. Y.

AU - Dimeo, R.

AU - Neumann, D. A.

PY - 2000

Y1 - 2000

N2 - The dynamics of flexible chain molecules near a solid interface is of fundamental interest in polymer science. This paper makes a preliminary report on a quasielastic neutron scattering study of the dynamics of monolayer films of C24H50 adsorbed on graphite. Quasielastic scattering was observed at temperatures as low as approximately 180 K, well below the monolayer melting temperature of 340 K. Preliminary analysis of the data indicates that at 230 K the entire molecule executes a rolling motion about its long axis while the terminal methyl groups exhibit relatively rapid reorientation.

AB - The dynamics of flexible chain molecules near a solid interface is of fundamental interest in polymer science. This paper makes a preliminary report on a quasielastic neutron scattering study of the dynamics of monolayer films of C24H50 adsorbed on graphite. Quasielastic scattering was observed at temperatures as low as approximately 180 K, well below the monolayer melting temperature of 340 K. Preliminary analysis of the data indicates that at 230 K the entire molecule executes a rolling motion about its long axis while the terminal methyl groups exhibit relatively rapid reorientation.

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U2 - 10.1051/jp4:2000731

DO - 10.1051/jp4:2000731

M3 - Conference article

AN - SCOPUS:17644434603

SN - 1155-4339

VL - 10

SP - Pr7-157-Pr7-160

JO - Journal De Physique. IV : JP

JF - Journal De Physique. IV : JP

IS - 7

T2 - International Workshop on Dynamics in Confinement

Y2 - 26 January 2000 through 29 January 2000

ER -

Dynamics of intermediate-length alkane films absorbed on graphite

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