On the Photo- and Cathodoluminescence of LaB<sub>3</sub>O<sub>6</sub>:Gd,Bi, Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Pr, Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Gd, Lu<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Pr, and Lu<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Gd
ECS journal of solid state science and technology