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

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Science  05 Feb 1999:
Vol. 283, Issue 5403, pp. 814-816
DOI: 10.1126/science.283.5403.814

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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.

  • * Present address: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.

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

  • To whom correspondence should be addressed. E-mail: cinaaman{at}

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