Research Article

Obtaining Highly Crystalline Barium Sulphate Nanoparticles via Chemical Precipitation and Quenching in Absence of Polymer Stabilizers

Figure 6

HRTEM image of BaSO4 nanoparticle (a); HRTEM image of BaSO4 nanoparticle (b); a magnification of the section marked with a white square in (a); FFT image (c); masked power spectrum FFT (d); image after performing inverse FFT on the masked power spectrum (e). A crystallographic representation of BaSO4 crystal (f).