The investigation of structural and vibrational properties and optical behavior of Ti-doped La<sub>0.67</sub>Ba<sub>0.25</sub>Ca<sub>0.08</sub>Mn<sub>(1−x)</sub>Ti<sub>x</sub>O<sub>3</sub> (<i>x</i> = 0.00, 0.05 and 0.10) manganites
RSC advances