{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1363388844617622656.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/j.1151-2916.1987.tb04859.x"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1151-2916.1987.tb04859.x"}},{"identifier":{"@type":"URI","@value":"https://ceramics.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1151-2916.1987.tb04859.x"}}],"dc:title":[{"@value":"Solid‐state NMR Evidence of 4‐, 5, and 6‐Fold Aluminum Sites in Roller‐Quenched SiO\n                    <sub>2</sub>\n                    ‐A1\n                    <sub>2</sub>\n                    O\n                    <sub>3</sub>\n                    Glasses"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>\n                    The structures of roller‐quenched SiO\n                    <jats:sub>2</jats:sub>\n                    ‐Al\n                    <jats:sub>2</jats:sub>\n                    O\n                    <jats:sub>3</jats:sub>\n                    glasses containing 10 to 50 wt% Al\n                    <jats:sub>2</jats:sub>\n                    O\n                    <jats:sub>3</jats:sub>\n                    were investigated by TEM and high‐resolution\n                    <jats:sup>27</jats:sup>\n                    Al and\n                    <jats:sup>29</jats:sup>\n                    Si magic angle sample spinning nuclear magnetic resonance (MASS‐NMR) spectroscopy. The chemical shifts observed in the NMR spectra of these phase‐separated (on the TEM scale) glasses provide evidence, for the existence of all three (4‐, 5‐, and 6‐jold) Al‐coordination units in these glasses and for the presence of A1 in both the Si‐rich and Si‐poor phases.\n                  </jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383388844617622659","@type":"Researcher","foaf:name":[{"@value":"Subhash H. Risbud"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388844617622658","@type":"Researcher","foaf:name":[{"@value":"R. James Kirkpatrick"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388844617622656","@type":"Researcher","foaf:name":[{"@value":"Antoni P. Taglialavore"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388844617622657","@type":"Researcher","foaf:name":[{"@value":"B. Montez"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00027820"},{"@type":"EISSN","@value":"15512916"}],"prism:publicationName":[{"@value":"Journal of the American Ceramic Society"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"1987-01","prism:volume":"70","prism:number":"1","prism:startingPage":"C10"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1151-2916.1987.tb04859.x"},{"@id":"https://ceramics.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1151-2916.1987.tb04859.x"}],"createdAt":"2005-03-08","modifiedAt":"2025-11-02","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004233133179520","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Reduction Mechanisms of Cu<sup>2+</sup>-Doped Na<sub>2</sub>O–Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub> Glasses during Heating in H<sub>2</sub> Gas"}]},{"@id":"https://cir.nii.ac.jp/crid/1360284924859595904","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Structure, crystallization, and dielectric properties of the Al\n                    <sub>2</sub>\n                    O\n                    <sub>3</sub>\n                    filled CaO–B\n                    <sub>2</sub>\n                    O\n                    <sub>3</sub>\n                    –SiO\n                    <sub>2</sub>\n                    –Al\n                    <sub>2</sub>\n                    O\n                    <sub>3</sub>\n                    glass composites for LTCC applications"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848660698853120","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Control of Oxidation State of Eu Ions in Na\n                    <sub>2</sub>\n                    O–Al\n                    <sub>2</sub>\n                    O\n                    <sub>3</sub>\n                    –SiO\n                    <sub>2</sub>\n                    Glasses"}]},{"@id":"https://cir.nii.ac.jp/crid/1360865815684698240","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Theoretical Insights into the <sup>27</sup>Al NMR Parameters of Binary Aluminosilicate Glass and Their Relationship to the Atomic and Electronic Structure"}]},{"@id":"https://cir.nii.ac.jp/crid/2050025942005877376","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Ultrahigh-pressure acoustic wave velocities of SiO2-Al2O3 glasses up to 200 Gpa"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1111/j.1151-2916.1987.tb04859.x"},{"@type":"CROSSREF","@value":"10.7567/1347-4065/ab3cc5_references_DOI_aUVfkBDlIGNwCHVyv0v6hjIH2mr"},{"@type":"CROSSREF","@value":"10.1021/acs.jpcb.7b10913_references_DOI_aUVfkBDlIGNwCHVyv0v6hjIH2mr"},{"@type":"CROSSREF","@value":"10.1186/s40645-016-0097-2_references_DOI_aUVfkBDlIGNwCHVyv0v6hjIH2mr"},{"@type":"CROSSREF","@value":"10.1111/jace.14111_references_DOI_aUVfkBDlIGNwCHVyv0v6hjIH2mr"},{"@type":"CROSSREF","@value":"10.1021/acs.jpcc.3c06292_references_DOI_aUVfkBDlIGNwCHVyv0v6hjIH2mr"}]}