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Nature 398, 104-105 (11 March 1999) | doi:10.1038/18108

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Quantum engineering:  Probing magnetism in the well

S. D. Bader1

On page 132 of this issue, Kawakami et al. 1 report photoemission images of quantum-well states in copper thin films. Quantum-well states arise whenever electrons are confined in a small space, such as within ultra-thin semiconductor layers; the effect is analogous to quantizing electron energies in the atom.

  1. S. D. Bader is at the Argonne National Laboratory, MSD-223, Argonne, Illinois 60439, USA.
    e-mail: Email: bader@anl.gov