Saylor, D.
, El-Dasher, B.
, Sano, T.
and Rohrer, G.
(2008),
Distribution of Grain Boundaries in SrTiO<sub>3</sub> as a Function of Five Macroscopic Parameters, Journal of the American Ceramic Society
(Accessed January 20, 2025)
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Distribution of Grain Boundaries in SrTiO3 as a Function of Five Macroscopic Parameters
Published
Author(s)
, B S. El-Dasher, T Sano, G S. Rohrer
Abstract
Measurements of the grain boundary population as a function of misorientation and boundary plane orientation show that the distribution is inversely correlated to the sum of the energies of the surfaces comprising each boundary. The observed correlation suggests that the difference between the energy of a high angle grain boundary and the two component surfaces is relatively constant as a function fo misorientation. Two exceptions to this correlation were identified: low misorientation angle boundaries, and the coherent twin boundary, where the (111) axis. In these cases, the high degree of coincidence across this interface probably lowers the boundary energy with respect to that of the component surfaces. For all other boundaries, the anisotropy of the population is accurately predicted by the surface energy anisotropy and in general, boundaries display a preference for 100 orientations, the planes of minimum surface energy.Citation
Journal of the American Ceramic Society
Pub Type
Journals
Keywords
electron back-scatter diffraction (EBSD), grain boundary distribution, grain boundary plane, misorientation, orientation mapping, serial sectioning
Citation
Issues
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Created October 16, 2008