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About: Strontium aluminate     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPhosphorsAndScintillators, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatStrontiumCompoundsyago:Abstraction100002137yago:Aluminate114824140yago:Chemical114806838yago:Cognition100023271yago:Compound105870180yago:Compound114818238yago:Concept105835747yago:Content105809192yago:Idea105833840yago:Material114580897yago:Matter100020827yago:Part113809207yago:Phosphor114649036yago:PhysicalEntity100001930yago:PsychologicalFeature100023100yago:Relation100031921chemical compoundyago:Substance100019613yago:Synthetic114901959yago:Whole105869584yago:WikicatAluminatesyago:WikicatPhosphorsAndScintillators New Facet based on Instances of this Class

Strontium aluminate is an aluminate compound with the chemical formula SrAl2O4 (sometimes written as SrO·Al2O3). It is a pale yellow, monoclinic crystalline powder that is odourless and non-flammable. When activated with a suitable dopant (e.g. europium, written as Eu:SrAl2O4), it acts as a photoluminescent phosphor with long persistence of phosphorescence. Strontium aluminates exist in a variety of other compositions including SrAl4O7 (monoclinic), Sr3Al2O6 (cubic), SrAl12O19 (hexagonal), and Sr4Al14O25 (orthorhombic). The different compositions cause different colours of light to be emitted.