Controllable color of Eu ² **+ in Ba ₂ //-// α Sr// α 2SiO ₄ - PARK CHEOL HEE; YOU BYUNG YONG; BAE HYUN SOOK; KWON TEA WOON; 권일억; Hwang Young-Ju; KIM CHANG HONG; PYUN CHONG-HONG
Keywords: Eu ² **+