Importance of long-range channel Sr displacements for the narrow emission in Sr[Li${}_2$Al${}_2$O${}_2$N${}_2$]:Eu${}^{2+}$ phosphor

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +3

The recently discovered Sr[Li${}_2$Al${}_2$O${}_2$N${}_2$]:Eu${}^{2+}$ red phosphor, candidate for the next generation of eco-efficient white light-emitting diodes, exhibits excellent emissi…