Yttrium lithium fluoride

Yttrium lithium fluoride
Identifiers
CAS Number	39345-89-6;
3D model (JSmol)	Interactive image;
PubChem CID	22645984;
CompTox Dashboard (EPA)	DTXSID90627285 ;
	InChI InChI=1S/4FH.Li.Y/h4*1H;;/q;;;;+1;+3/p-4 Key: HIQSCMNRKRMPJT-UHFFFAOYSA-J;
	SMILES [Li+].[F-].[F-].[F-].[F-].[Y+3];
Properties
Chemical formula	F4LiY
Molar mass	171.84 g·mol−1
Related compounds
Other cations	Lithium holmium fluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Yttrium lithium fluoride (LiYF₄, sometimes abbreviated YLF) is a birefringent crystal, typically doped with neodymium or praseodymium and used as a gain medium in solid-state lasers.^[1] Yttrium is the substitutional element in LiYF_4. The hardness of YLF is significantly lower than other commons crystalline laser media, i.e. yttrium aluminium garnet.^[2]

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