Text this: Crystal Structure of Bismuth-Containing Samarium Iron–Aluminium Borates Sm<sub>1−<i>x</i></sub>Bi<i><sub>x</sub></i>Fe<sub>3−<i>y</i></sub>Al<i><sub>y</sub></i>(BO<sub>3</sub>)<sub>4</sub> (<i>x</i> = 0.05–0.07, <i>y</i> = 0–0.28) in the Temperature Range of 25–500 K
