Figure 1
From: Giant photovoltaic response in band engineered ferroelectric perovskite
Structural and dielectric properties of BBLT. (a) X-ray diffraction and Rietveld refined pattern of BBLT for x = 0.125. (b) The evolution of (002) and (200) peaks with composition x. The gradual merging of these two peaks with higher concentration suggest the reduction of tetragonality. (c) The c/a and cell-volume plotted as a function of x. (d) Relaxed 224 supercell structure representing x = 0.125. (e) The ε′ versus temperature curves at 1 kHz showing the ferroelectric transition. (f) Dielectric loss as a function of temperature.
