Table 1: Variation in diameter of calcinated fibers (at 500°C) according to morphology.

Number Type of fiberFiber diameter (nm)

1Aligned calcinated STO Fibers85 ± 20
2Random calcinated STO Fibers95 ± 28
3Aligned calcinated BTO Fibers85 ± 26
4Random calcinated BTO Fibers105 ± 36
5Hollow calcinated STO Fibers1600 ± 400
6Hollow calcinated BTO Fibers1600 ± 600