Publication Type
Journal
Journal Name
Journal of the European Ceramic Society
Publication Date
Page Numbers
2319 to 2326
Volume
26
Issue
12
Abstract
Nanocrystalline BaTiO3 particles have been prepared by ambient condition sol (ACS) process starting from soluble precursors of barium and titanium yielding a mixed oxide/hydroxide gel. The gel was peptized and crystallized in water under a refluxing condition. Higher initial pH and Ba/Ti ratio led to smaller crystallite sizes of BaTiO3 powders. Organic mineralizer, tetramethylammonium hydroxide (TMAH), can adsorb on the BaTiO3 nuclei and inhibited further growth of the particles. Adding a polymer during BaTiO3 synthesis led to a smaller particle size and increased redispersibility of the particles in water.
