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Relationship between structure, segregation and electrical activity in grain boundaries

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Abstract

Using the contactless microwave phase-shift technique (μ W-PS) and High Resolution Transmission Electron Microscopy (HRTEM), we show that the twist and mixed parts of a < 110 > Σ = 51(θ = 16.10∘) grain boundary in germanium (Ge) are electrically active. We also show that we can passivate the electrically active grain boundaries by sulfur segregation which has been studied by energy filtering HRTEM. Atomistic simulations show that the most favorable places for this segregation are the high energy sites of grain boundary.

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Authors and Affiliations

  1. Laboratoire TECSEN, UMR 6122 - CNRS, Faculté des Sciences et Techniques de St. Jérôme, F-13397, Marseille, Cedex 20, France

    A. Lamzatouar & O. Palais

  2. LSI, UMR 7642 – CNRS – CEA, Ecole Polytechnique, 91128 Palaiseau Cedex, France

    O. B. M. Hardouin Duparc

  3. Laboratoire TECSEN, UMR 6122 - CNRS, Faculté des Sciences et Techniques de St. Jérôme, F-13397, Marseille, Cedex 20, France

    J. Thibault & A. Charaï

Authors
  1. A. Lamzatouar
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  2. O. Palais
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  3. O. B. M. Hardouin Duparc
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  4. J. Thibault
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  5. A. Charaï
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Correspondence to A. Charaï.

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Lamzatouar, A., Palais, O., Duparc, O.B.M.H. et al. Relationship between structure, segregation and electrical activity in grain boundaries. J Mater Sci 40, 3163–3167 (2005). https://doi.org/10.1007/s10853-005-2679-z

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  • DOI: https://doi.org/10.1007/s10853-005-2679-z

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