fig2

Figure 2. (A) X-ray diffraction pattern of 0.55Bi0.5Na0.5TiO3-0.45(Sr0.7Bi0.2)TiO3 (BNT-BST) nanofibers. (B) Scanning electron microscopy (SEM) image before sintering. (C) Thermogravimetric analysis of electrospinning nanofibers. (D) SEM image after sintering. (E) Diameter distribution. (F) Piezoelectric force microscopy image of BNT-BST nanofibers.