Color tunable Er-Eu co-doped double perovskite La2MgSnO6 phosphor for optical temperature sensor. - Qian, Wanqing; Xu, Qingliang; Yu, Xueqing; Hussain, Fayaz; Chen, Xinhua; Su, Weitao; Sun, Shikuan; Song, Kaixin (Journal of Materials Science: Materials in Electronics, 2024)