Infrared spectrum and structural role of titanium in synthetic Ti-garnets
Identifieur interne : 000885 ( Main/Exploration ); précédent : 000884; suivant : 000886Infrared spectrum and structural role of titanium in synthetic Ti-garnets
Auteurs : RBID : ISTEX:269_1979_Article_BF00308359.pdfAbstract
Ti-spessartite, Ti-andradite and its indium homolog, Ca3In2(Si, Ti)3O12, have been synthesized and investigated by infrared (ir) spectroscopy. The use of isotopic species (46Ti-50Ti) gives the unequivocal proof that some of the additional bands observed in the 800–600 cm−1 region are due to TiO4 tetrahedra. For Si-Ti replacements up to 10 mol%, the localization of Ti on the available tetrahedral sites depends on the nature of the cations. For the In garnet all (or nearly all) Ti is located on tetrahedral sites; in Ti-andradite Ti is distributed over tetrahedral and octahedral sites, tetrahedral sites being thus occupied, in part by Ti (ir band near 700 cm−1) and in part by Fe (ir band near 650 cm−1); and Ti-spessartite the presence of Ti on tetrahedral sites is doubtful, these sites being essentially occupied by Al.
DOI: 10.1007/BF00308359
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<record><TEI><teiHeader><fileDesc><titleStmt><title>Infrared spectrum and structural role of titanium in synthetic Ti-garnets</title><author><name>P. Tarte</name><affiliation wicri:level="1"><mods:affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</mods:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1</wicri:regionArea><wicri:noRegion>Liege 1</wicri:noRegion></affiliation></author><author><name>R. Cahay</name><affiliation wicri:level="1"><mods:affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</mods:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1</wicri:regionArea><wicri:noRegion>Liege 1</wicri:noRegion></affiliation></author><author><name>A. Garcia</name><affiliation wicri:level="1"><mods:affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</mods:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1</wicri:regionArea><wicri:noRegion>Liege 1</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:269_1979_Article_BF00308359.pdf</idno><date when="1979">1979</date><idno type="doi">10.1007/BF00308359</idno><idno type="wicri:Area/Main/Corpus">000502</idno><idno type="wicri:Area/Main/Curation">000502</idno><idno type="wicri:Area/Main/Exploration">000885</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">Ti-spessartite, Ti-andradite and its indium homolog, Ca3In2(Si, Ti)3O12, have been synthesized and investigated by infrared (ir) spectroscopy. The use of isotopic species (46Ti-50Ti) gives the unequivocal proof that some of the additional bands observed in the 800–600 cm−1 region are due to TiO4 tetrahedra. For Si-Ti replacements up to 10 mol%, the localization of Ti on the available tetrahedral sites depends on the nature of the cations. For the In garnet all (or nearly all) Ti is located on tetrahedral sites; in Ti-andradite Ti is distributed over tetrahedral and octahedral sites, tetrahedral sites being thus occupied, in part by Ti (ir band near 700 cm−1) and in part by Fe (ir band near 650 cm−1); and Ti-spessartite the presence of Ti on tetrahedral sites is doubtful, these sites being essentially occupied by Al.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="581d7f81867a804624d5a1bfb6750071a9ff196f"><titleInfo lang="eng"><title>Infrared spectrum and structural role of titanium in synthetic Ti-garnets</title></titleInfo><name type="personal"><namePart type="given">P.</namePart><namePart type="family">Tarte</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</affiliation></name><name type="personal"><namePart type="given">R.</namePart><namePart type="family">Cahay</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</affiliation></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Garcia</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Chemistry, University of Liège, Sart Tilman par, B-4000, Liege 1, Belgium</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Springer-Verlag, Berlin/Heidelberg</publisher><dateCreated encoding="w3cdtf">1978-07-04</dateCreated><dateValid encoding="w3cdtf">2004-08-24</dateValid><copyrightDate encoding="w3cdtf">1979</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">Ti-spessartite, Ti-andradite and its indium homolog, Ca3In2(Si, Ti)3O12, have been synthesized and investigated by infrared (ir) spectroscopy. The use of isotopic species (46Ti-50Ti) gives the unequivocal proof that some of the additional bands observed in the 800–600 cm−1 region are due to TiO4 tetrahedra. For Si-Ti replacements up to 10 mol%, the localization of Ti on the available tetrahedral sites depends on the nature of the cations. For the In garnet all (or nearly all) Ti is located on tetrahedral sites; in Ti-andradite Ti is distributed over tetrahedral and octahedral sites, tetrahedral sites being thus occupied, in part by Ti (ir band near 700 cm−1) and in part by Fe (ir band near 650 cm−1); and Ti-spessartite the presence of Ti on tetrahedral sites is doubtful, these sites being essentially occupied by Al.</abstract><relatedItem type="series"><titleInfo type="abbreviated"><title>Phys Chem Minerals</title></titleInfo><titleInfo><title>Physics and Chemistry of Minerals</title><partNumber>Year: 1979</partNumber><partNumber>Volume: 4</partNumber><partNumber>Number: 1</partNumber></titleInfo><genre>Archive Journal</genre><originInfo><dateIssued encoding="w3cdtf">1979-03-01</dateIssued><copyrightDate encoding="w3cdtf">1979</copyrightDate></originInfo><subject usage="primary"><topic>Engineering</topic><topic>Mineral Resources</topic><topic>Mineralogy</topic><topic>Materials Processing, Characterization, and Design</topic></subject><identifier type="issn">0342-1791</identifier><identifier type="issn">Electronic: 1432-2021</identifier><identifier type="matrixNumber">269</identifier><identifier type="local">IssueArticleCount: 9</identifier><recordInfo><recordOrigin>Springer-Verlag, 1979</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/BF00308359</identifier><identifier type="matrixNumber">Art5</identifier><identifier type="local">BF00308359</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>55</start><end>63</end></extent></part><recordInfo><recordOrigin>Springer-Verlag, 1979</recordOrigin><recordIdentifier>269_1979_Article_BF00308359.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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