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Article
Fracture surface energy determination in {1 1 0} planes in silicon by the double torsion method
The fracture surface energy of {110} planes of silicon were determined by the double torsion method on thin samples. Elastic anisotropy was taken into account in the calculations. The determined value of 1.81 J m
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Article
Effect of non-isoelectronic cation substitution on lattice parameters of barium sodium niobate
Ceramic samples of Ba2 NaNb5O15, with the cations selectively substituted by Gd or Cr, showed that the changes in their orthorhombic lattice parametersa, b, andc were linearly correlated to each other. The change...
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Article
A scanning electron microscopic examination of sintered barium sodium niobate