Table 1
Comparison of the BTO thin films deposited on different buffer layers with the bulk material
Phase	Source	Method	a = b (Å)	c (Å)	c/a ratio
Tetragonal (p4mm)	Our work	Sol–gel	3.994	4.038	1.011
Tetragonal	On MgO buffer layer [18]	MOCVD	3.990	4.04	1.012
Tetragonal	BTO ceramic [19]	Chemical processing	3.998	4.022	1.0058
Tetragonal	BTO single crystal [20]	Chemical processing	3.992	4.036	1.011

George et al. Nanoscale Research Letters 2013 8:62   doi:10.1186/1556-276X-8-62