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Challenges of structure determination of compound surfaces
Authors:M A Van Hove
Institution:

Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA and Department of Physics, University of California at Davis, Davis, CA 95616, USA

Abstract:Attention is drawn to challenges facing the structure determination of compound surfaces of growing complexity. Besides the questions of large unit cells and disorder, and of many independent atoms in the unit cells, one must address the determination of composition, compositional disorder and simultaneously coexisting structures. Of special concern is the issue of stability of complex and compound surfaces, and the resulting concerns about experimental surface preparation and reproducibility.
Keywords:Surface structure  Surface structure determination  Compounds  Complex structures  Disorder  Polar ionic surfaces  Coexistence of structures  Low-energy electron diffraction  X-ray diffraction  Photoelectron diffraction
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