Dressed controlled filter with phase transitions of Eu3+: YPO4 and Pr3+: YPO4 Habib Ullah, Faizan Raza, Fahad Nawaz, Ali Zamin, Jinyang Li and Yanpeng Zhang EPL, 129 6 (2020) 64002 Published online: 23 April 2020 DOI: 10.1209/0295-5075/129/64002