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Glass optical fibers are almost always made from silica, but some other materials, such as fluorozirconate, fluoroaluminate, and chalcogenide glasses as well as crystalline materials like sapphire, are us St.

Strontium aluminate cement can be used as refractory structural material.

The excitation wavelengths for strontium aluminate range from 200 to 450"nbsp;nm.

Different aluminates can be used as the host matrix.

The industry considers gypsum-based plasters to be "cementitious", even though these contain no Portland, or calcium aluminate cements.

The use of strontium aluminate cements is limited by the availability of the raw materials.

Virgin Records artists Strontium aluminate (SRA, SrAl) is an aluminate compound with the chemical formula SrAl2O4 (sometimes written as ).

Strontium aluminate phosphor is usually fired at about 1250"nbsp;°C, though higher temperatures are possible.

For europium-dysprosium doped aluminates, the peak emission wavelengths are 520"nbsp;nm for SrAl2O4, 480"nbsp;nm for SrAl4O7, and 400"nbsp;nm for SrAl12O19.

Strontium aluminates exist in other compositions including SrAl4O7 (monoclinic), Sr3Al2O6 (cubic), SrAl12O19 (hexagonal), and Sr4Al14O25 (orthorhombic).

Strontium aluminate can be formulated to phosphoresce at longer (yellow to red) wavelengths as well, though such emission is often dimmer than that of more common phosphorescence at shorter wavelengths.

Several strontium aluminates can be prepared by the sol-gel process.

Cerium and manganese doped strontium aluminate (Ce,Mn:SrAl12O19) shows intense narrowband (22"nbsp;nm wide) phosphorescence at 515"nbsp;nm when excited by ultraviolet radiation (253.