Grain Boundary Structure Determination by HREM: A Comparison with Computer Relaxed Configurations for <001> Pure Tilt in Germanium

  • A. Bourret
  • J. L. Rouvière
Part of the Springer Proceedings in Physics book series (SPPHY, volume 35)


<001> pure tilt grain boundaries in germanium have been studied by high resolution electron microscopy. The observed structures are entirely reconstructed. The strain energy calculated with different interatomic potential is minimum for the observed configurations except at small angle. The entropy term contained in the free energy may well stabilize the configurations with several equivalent variants which are observed at small angle.


Burger Vector Core Structure Dislocation Line Dangling Bond Entropy Term 
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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • A. Bourret
    • 1
  • J. L. Rouvière
    • 1
  1. 1.DRF/SPh/S. 85 XCentre d’Etudes Nucléaire de GrenobleGrenoble CedexFrance

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