Nanostructures of Low Dimensional Oxides: Nature and Role of Defects

  • M. Hervieu
Part of the NATO ASI Series book series (NSSB, volume 354)

Abstract

Short range (few nanometers) structural features are often correlated to local stoichiometry inhomogeneities. The suitable tool for studying such phenomena is undoubtly electron microscopy; it can indeed provide simultaneously a diffraction pattern (ED: electron diffraction), an atomic resolution image (HREM: high resolution electron microscopy) and a chemical analysis (EDS: energy dispersive spectrometry) of small or large areas; a statistical view of the sample can be obtained through the observation and the comparison of numerous grains. The will to characterize materials on a so small scale is justified by a fundamental goal: to know, to predict and to understand the materials, structural mechanisms and properties, by analysing some pieces of the puzzle.

Keywords

Migration Cage Hexagonal Tungsten Fluorite 

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Copyright information

© Plenum Press, New York 1996

Authors and Affiliations

  • M. Hervieu
    • 1
  1. 1.Laboratoire CRISMATISMRA-Université de CAENCaen CedexFrance

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