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The paper presents a piezoelectric study, carried out at room temperature, for the Sr1 − xBaxBi2Nb2O9 (x = 0, 15, 30, 50, 70, 85, 100 at%) ferroelectric (FE) ceramic system. The structural analysis has shown, for all the compositions, a pure orthorhombic phase with space group A21am. A large electromechanical anisotropy phenomenon has been observed between the electromechanical coupling factors for...
Structural, elastic, mechanical, electronic properties, and dispersion of optical functions of hexagonal ZnTiO3 have been investigated from first‐principles within density‐functional theory (DFT) using the norm‐conserving pseudopotentials method, within the generalized gradient approximation (GGA) to the exchange‐correlation functional. The calculated structural parameters agree with the available...
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