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- Lanthanum_gallium_silicate abstract "Lanthanum gallium silicate (referred to as LGS in this article), also known as langasite, has a chemical formula of the form A3BC3D2O14, where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C and D are tetrahedral sites coordinated by 4 oxygen atoms. In this material, lanthanum occupied the A-sites, gallium the B, C and half of D-sites, and, silicon the other half of D-sites. The crystal structure is shown below:LGS is a piezoelectric material, with no phase transitions up to its melting point of 1470 °C. Single crystal LGS can be grown via the Czochralski method, in which crystallization is initiated on a rotating seed crystal lowered into the melt followed by pulling from the melt. The growth atmosphere is usually argon or nitrogen with up to 5% of oxygen. The use of oxygen in the growth environment is reported to suppress gallium loss from the melt; however, too high an oxygen level can lead to platinum (crucible material used for the melt) dissolution in the melt. The growth of LGS is primarily along the z direction. Currently the 3-inch (76 mm) langasite boules produced commercially have growth rates of 1.5 to 5 mm/h. The quality of the crystals tends to improve as the growth rate is reduced.".
- Lanthanum_gallium_silicate wikiPageExternalLink langasite.html.
- Lanthanum_gallium_silicate wikiPageID "2624309".
- Lanthanum_gallium_silicate wikiPageLength "2090".
- Lanthanum_gallium_silicate wikiPageOutDegree "19".
- Lanthanum_gallium_silicate wikiPageRevisionID "527506638".
- Lanthanum_gallium_silicate wikiPageWikiLink Argon.
- Lanthanum_gallium_silicate wikiPageWikiLink Category:Ceramic_materials.
- Lanthanum_gallium_silicate wikiPageWikiLink Category:Gallium_compounds.
- Lanthanum_gallium_silicate wikiPageWikiLink Category:Lanthanum_compounds.
- Lanthanum_gallium_silicate wikiPageWikiLink Category:Piezoelectric_materials.
- Lanthanum_gallium_silicate wikiPageWikiLink Category:Silicates.
- Lanthanum_gallium_silicate wikiPageWikiLink Ceramic.
- Lanthanum_gallium_silicate wikiPageWikiLink Czochralski_process.
- Lanthanum_gallium_silicate wikiPageWikiLink Gallium.
- Lanthanum_gallium_silicate wikiPageWikiLink Ion.
- Lanthanum_gallium_silicate wikiPageWikiLink Lanthanum.
- Lanthanum_gallium_silicate wikiPageWikiLink Nitrogen.
- Lanthanum_gallium_silicate wikiPageWikiLink Oxygen.
- Lanthanum_gallium_silicate wikiPageWikiLink Piezoelectricity.
- Lanthanum_gallium_silicate wikiPageWikiLink Platinum.
- Lanthanum_gallium_silicate wikiPageWikiLink Silicon.
- Lanthanum_gallium_silicate wikiPageWikiLinkText "Langasite".
- Lanthanum_gallium_silicate wikiPageWikiLinkText "Lanthanum gallium silicate".
- Lanthanum_gallium_silicate wikiPageWikiLinkText "lanthanum gallium silicate".
- Lanthanum_gallium_silicate wikiPageUsesTemplate Template:Refimprove.
- Lanthanum_gallium_silicate wikiPageUsesTemplate Template:Reflist.
- Lanthanum_gallium_silicate subject Category:Ceramic_materials.
- Lanthanum_gallium_silicate subject Category:Gallium_compounds.
- Lanthanum_gallium_silicate subject Category:Lanthanum_compounds.
- Lanthanum_gallium_silicate subject Category:Piezoelectric_materials.
- Lanthanum_gallium_silicate subject Category:Silicates.
- Lanthanum_gallium_silicate type Silicate.
- Lanthanum_gallium_silicate type Transducer.
- Lanthanum_gallium_silicate comment "Lanthanum gallium silicate (referred to as LGS in this article), also known as langasite, has a chemical formula of the form A3BC3D2O14, where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C and D are tetrahedral sites coordinated by 4 oxygen atoms.".
- Lanthanum_gallium_silicate label "Lanthanum gallium silicate".
- Lanthanum_gallium_silicate sameAs Q6487605.
- Lanthanum_gallium_silicate sameAs m.07sjqd.
- Lanthanum_gallium_silicate sameAs Q6487605.
- Lanthanum_gallium_silicate wasDerivedFrom Lanthanum_gallium_silicate?oldid=527506638.
- Lanthanum_gallium_silicate isPrimaryTopicOf Lanthanum_gallium_silicate.