Journal of Electron Microscopy 51:S13-S25 (2002)
© 2002 Oxford University Press
Full-length paper |
In situ and ex situ electron microscopy studies of polar oxide surfaces with rock-salt structure

1Department of Physics and Laboratory for Surface Studies, University of Wisconsin Milwaukee, PO Box 413, Milwaukee, WI 53201 and
2Center for Solid State Science, Arizona State University, Tempe, AZ 85287, USA, Present address:
3Sandia National Laboratory, PO Box 5800, Albuquerque, NM 87185-1421 and
4Brookhaven National Laboratory, PO Box 5000, Building 480, Upton, NY 11973
To whom correspondence should be addressed. E-mail: mgj{at}uwm.edu
We present the fundamental problem of polar oxide surfaces and overview the different models for the stabilization of their diverging surface energy. We focus on contributions from ex situ and in situ electron microscopy and diffraction techniques toward distinguishing between competing stabilization mechanisms in oxides with rock-salt structure.
Keywords polar oxide surfaces, MgO(111), NiO(111), reconstructions