Abstract
Several methods for determination of structure factors/structure parameters by convergent beam electron diffraction (CBED) can be described in terms of the gap, (ϒj-ϒi)min, at the dispersion surface. Most accurate may be those based upon measurement of the condition for zero gap, revaled by zero contrast of a Kikuchi or Kossel line. By measurement in non-systematic cases, measured either as a critical voltage or as a diffraction condition, the scope of the method is increased. Application of non-systematical critical voltage measurement to various types of semiconductor structures: ZnS, diamond, rutile type is shown.
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© 1989 Plenum Press, New York
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Gjønnes, J., Matsuhata, H., Gjønnes, K. (1989). Determination of Composition and Ionicity by Critical Voltage and Other Electron Diffraction Methods. In: Cherns, D. (eds) Evaluation of Advanced Semiconductor Materials by Electron Microscopy. NATO ASI Series, vol 203. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0527-9_7
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DOI: https://doi.org/10.1007/978-1-4613-0527-9_7
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