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Science 5 February 1999:
Vol. 283. no. 5403, pp. 814 - 816
DOI: 10.1126/science.283.5403.814
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Reports

Asymmetric Scattering of Polarized Electrons by Organized Organic Films of Chiral Molecules

K. Ray, S. P. Ananthavel, * D. H. Waldeck, dagger R. Naaman ddagger

Electron transmission experiments demonstrate a large asymmetry in the scattering probability of polarized electrons by thin organized films of chiral molecules. This large asymmetry results from the interaction of the electron's wavefunction with many scatterers (molecules) in the organized monolayer structure and represents a manifestation of quantum interference on the scale of supramolecular lengths.

Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel.
*   Present address: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.

dagger    Permanent address: Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.

ddagger    To whom correspondence should be addressed. E-mail: cinaaman{at}wis.weizmann.ac.il

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Science. ISSN 0036-8075 (print), 1095-9203 (online)