A thin film nanocomposite dielectric that can be prepared by deposition of Bi-doped BaTiO3 nanocrystals on to a polymer is reported by O’Brien and colleagues.
In this hot paper, the authors use a novel approach to synthesise bismuth acceptor doped nanocrystals, Ba(TixBi1-x)O3. The nanocrystals can be synthesised at low temperatures via a solvothermal method and are highly crystalline. The nanocomposite containing these nanocrystals, showed improved dielectric performance over BaTiO3 and in particular highly desirable capacitor characteristics.
Comprehensive dielectric performance of bismuth acceptor doped BaTiO3 based nanocrystal thin film capacitors
J. Mater. Chem., 2012, 22, 21862
DOI: 10.1039/c2jm34044e (free to read for a short time)
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