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research papers
In this paper, main higher-order Laue zone (HOLZ) lines over a cubic orientational triangle range in barium titanate (BaTiO3) ceramics are obtained by theoretical simulation as well as experimental observation. The tiny difference of the lattice parameters between the pure BaTiO3 and Sn-substituted Ba(Ti, Sn)3 ceramics has been observed in nanometer-sized areas. The preliminary results show that these HOLZ line patterns are useful tools in studying the microstructural fluctuations in microareas of special ceramics.