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About: Gallium phosphate     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPiezoelectricMaterials, within Data Space : dbpedia.org associated with source document(s)

Type: yago:Abstraction100002137yago:Chemical114806838yago:Cognition100023271yago:Compound105870180yago:Compound114818238yago:Concept105835747yago:Content105809192yago:Idea105833840yago:Material114580897yago:Matter100020827yago:Mineral114662574yago:Part113809207yago:Phosphate114982265yago:PhysicalEntity100001930yago:PsychologicalFeature100023100yago:Relation100031921yago:WikicatGalliumCompoundschemical compoundyago:Salt115010703yago:Substance100019613yago:Whole105869584yago:WikicatPhosphatesyago:WikicatPiezoelectricMaterials New Facet based on Instances of this Class

Gallium phosphate (GaPO4 or gallium orthophosphate) is a colorless trigonal crystal with a hardness of 5.5 on the Mohs scale. GaPO4 is isotypic with quartz, possessing very similar properties, but the silicon atoms are alternately substituted with gallium and phosphorus, thereby doubling the piezoelectric effect. GaPO4 has many advantages over quartz for technical applications, like a higher electromechanical coupling coefficient in resonators, due to this doubling.Contrary to quartz, GaPO4 is not found in nature. Therefore, a hydrothermal process must be used to synthesize the crystal.