Abstract Nanostructured 0.52 Bi 2 O 3 –0.18 Fe –0.30 PbTiO (BFPT) mol% sample was prepared via a high-energy planetary ball mill. To obtain nanostructured materials, the mixture mechanically milled for 1, 2, 5, and 25 h. The heat treating process applied to BFPT at 673, 873, 1073 K 5 amorphous natures of as-milled crystallized formed phases treated samples are examined using X-ray diffraction (...