Stabilization Studies of Crystal Structure of Optimally Th-Doped Lead Zirconate Perovskite

ABSTRACT
The optimally thorium-doped Pb0.9Th0.1ZrO3 was selected for studying thorium doping effect on
the structural parameters of lead zirconate crystal. The investigations were made on the low
concentrations range of thorium doping 0.0 ≤ x ≤ 0.25 mole. The present investigations are concerned
by confirming that thorium dopings play an important role as stabilizing agent inside internal structure
of crystal lattice of Pb1-xThxZrO3 where x = 0.1 mole. XRD-measurements indicated that Thorium
dopant substitutes successfully on the A-sites of lead zirconate without damaging the main crystal
structure at x = 0.1 mole. Visualization and theoretical investigations were concerned by matching and
comparison of bond distances, torsions on angles of investigated compound to clarify success of
thorium doping on the perovskite structure.

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WSN 33 (2016) 56-66