Atomic Resolution Imaging of the (001) Surface of UHV Cleaved MgO by Dynamic Scanning Force Microscopy

Clemens Barth and Claude R. Henry
Phys. Rev. Lett. 91, 196102 – Published 3 November 2003

Abstract

The (001) surface of UHV cleaved single MgO crystals was imaged with dynamic mode scanning force microscopy. Large-scale images show various defects, like steps of mostly one atomic height, rectangular holes of nanometer size, and some complex adstructures. First time images with atomic resolution show one square ionic sublattice in its bulklike dimension with a corrugation of up to 40 pm along the 001 direction. Most images exhibit atomic point defects which appear as depressions including a few ionic lattice sites proving that point defects are stable on flat terraces.

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  • Received 3 July 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.196102

©2003 American Physical Society

Authors & Affiliations

Clemens Barth* and Claude R. Henry

  • CRMC2-CNRS,† Campus de Luminy, case 913 13288 Marseille Cedex 09, France

  • *Electronic address: barth@crmc2.univ-mrs.fr
  • The CRMC2 is associated with the University of Aix-Marseille II and III.

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Issue

Vol. 91, Iss. 19 — 7 November 2003

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