The one-phase SrMg&lt;sub&gt;2&lt;/sub&gt;La&lt;sub&gt;2&lt;/sub&gt;W&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;12&lt;/sub&gt;:Tb&lt;sup&gt;3+&lt;/sup&gt;, Sm&lt;sup&gt;3+&lt;/sup&gt;, Tm&lt;sup&gt;3+&lt;/sup&gt; phosphor and its optical features in multicolor and white-illumination LEDs
Bulletin of Electrical Engineering and Informatics