Orientation of arachidate chains in Langmuir-Blodgett monolayers on Si(111)

D. A. Outka, J. Stöhr, J. Rabe, J. D. Swalen, and H. H. Rotermund
Phys. Rev. Lett. 59, 1321 – Published 21 September 1987
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Abstract

The near-edge x-ray-absorption fine-structure technique is used to determine the orientation of cadmium- and calcium-arachidate chains on Si(111) at monolayer coverage. In our films the Cd-arachidate chain is found to be aligned along the surface normal and Ca arachidate is tilted by 33°±5° relative to Cd arachidate. The results are explained in terms of the surface bonding geometry of the terminal carboxylate group and the lateral interlocking of the zig-zag chains.

  • Received 1 June 1987

DOI:https://doi.org/10.1103/PhysRevLett.59.1321

©1987 American Physical Society

Authors & Affiliations

D. A. Outka, J. Stöhr, J. Rabe, J. D. Swalen, and H. H. Rotermund

  • IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099

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Vol. 59, Iss. 12 — 21 September 1987

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