Structure and dynamics of deposited lipid monolayers: Low energy electron 
diffraction and scattering of thermal energy helium atoms.

Vogel, V.; Wöll, C.

doi:10.1016/0040-6090(88)90657-8

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Structure and dynamics of deposited lipid monolayers: Low energy electron diffraction and scattering of thermal energy helium atoms.

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Vogel, V.
Research Group of Molecular Organized Systems, MPI for biophysical chemistry, Max Planck Society;

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Citation

Vogel, V., & Wöll, C. (1988). Structure and dynamics of deposited lipid monolayers: Low energy electron diffraction and scattering of thermal energy helium atoms. Thin Solid Films, 159(1-2), 429-434. doi:10.1016/0040-6090(88)90657-8.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-E5BD-E

Abstract

Fatty acid monolayers were deposited onto (111) surfaces of noble metal single crystals (copper, silver and gold). Substrate-induced monolayer alignment as well as inelastic scattering processes between impinging helium atoms and the vertically oriented hydrocarbon chains within a close-packed monolayer were investigated. The phonon energy of the collective vibrations of the hydrocarbon chains is at least two orders of magnitude smaller than that of metal crystal surfaces at room temperature.