Prabhakar Rao, P; Ravindran Nair, K; Chandran, M R; Peter Koshy
(Wiley-Blackwell, 2005)
Well grown microtubes of Ba3Ce3-xBixTi5Nb5O30 (x = 0.5, 1.0, 2.0, and 3.0) have been observed in the sintered ceramics. The microtubes have octagonal shapes at the cylindrical ends, hollow cores with diameters of 2-3 mu ...