{"@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/1360002215808816640.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.apt.2017.10.013"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0921883117304090?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0921883117304090?httpAccept=text/plain"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Bottom-up synthesis of aluminophosphate nanosheets by hydrothermal process"}],"description":[{"notation":[{"@value":"Abstract   Hydrothermal treatment of aqueous mixtures of boehmite (AlOOH), phosphoric acid, and tetramethylammonium hydroxide provided two types of layered aluminophosphates having tetramethylammonium ion (TMA+) as an interlayer cation, despite the fact that TMA+ ion acts as a structure-directing agent of microporous AlPO4 materials and less likely leads to a lamellar structure. The layered aluminophosphates were formed in amorphous gels, so that they were obtained as precipitates. Upon dispersing the precipitates to water under agitation, the layered aluminophosphates were transferred to the aqueous phase, resulting in transparent aqueous sols. Because they had bulky interlayer cation TMA+, it is likely that in the sols, layered aluminophosphates were exfoliated, providing aluminophosphate nanosheets. Moreover, their characterization results suggest that the layered compound formed at 170 °C consisted of aluminophosphate layers with kanemite-like structure. Furthermore, the prolonged hydrothermal treatment at 170 °C led to the formation of microporous ATT-type AlPO4 crystals. Under the synthesis condition employed in this study, layered aluminophosphates were formed at early stage, and then structurally converted to microporous AlPO4 crystals."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420564276177065728","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70273125"},{"@type":"NRID","@value":"1000070273125"},{"@type":"NRID","@value":"9000006931304"},{"@type":"NRID","@value":"9000391864327"},{"@type":"NRID","@value":"9000391841293"},{"@type":"NRID","@value":"9000002597762"},{"@type":"NRID","@value":"9000391852747"},{"@type":"NRID","@value":"9000391851382"},{"@type":"NRID","@value":"9000391862065"},{"@type":"NRID","@value":"9000391842726"},{"@type":"NRID","@value":"9000401706426"},{"@type":"NRID","@value":"9000019048863"},{"@type":"NRID","@value":"9000391850674"},{"@type":"NRID","@value":"9000391878368"},{"@type":"NRID","@value":"9000391875976"},{"@type":"NRID","@value":"9000410629299"},{"@type":"NRID","@value":"9000258153916"},{"@type":"NRID","@value":"9000391850848"},{"@type":"NRID","@value":"9000391844870"},{"@type":"NRID","@value":"9000401698228"},{"@type":"NRID","@value":"9000005841176"},{"@type":"NRID","@value":"9000255700885"},{"@type":"NRID","@value":"9000256021482"},{"@type":"NRID","@value":"9000107350341"},{"@type":"NRID","@value":"9000365507814"},{"@type":"NRID","@value":"9000391856712"},{"@type":"NRID","@value":"9000391844473"},{"@type":"NRID","@value":"9000391839144"},{"@type":"NRID","@value":"9000391862090"},{"@type":"NRID","@value":"9000391888162"},{"@type":"NRID","@value":"9000391843211"},{"@type":"NRID","@value":"9000017673615"},{"@type":"NRID","@value":"9000365507837"},{"@type":"NRID","@value":"9000391875033"},{"@type":"NRID","@value":"9000391866746"},{"@type":"NRID","@value":"9000345209923"},{"@type":"NRID","@value":"9000391856221"},{"@type":"NRID","@value":"9000391866835"},{"@type":"NRID","@value":"9000408646556"},{"@type":"NRID","@value":"9000020529557"},{"@type":"NRID","@value":"9000365508036"},{"@type":"NRID","@value":"9000365517606"},{"@type":"NRID","@value":"9000391856276"},{"@type":"NRID","@value":"9000391855352"},{"@type":"NRID","@value":"9000391840175"},{"@type":"NRID","@value":"9000391852588"},{"@type":"NRID","@value":"9000391888462"},{"@type":"NRID","@value":"9000391859135"},{"@type":"NRID","@value":"9000242707695"},{"@type":"NRID","@value":"9000017046191"},{"@type":"NRID","@value":"9000107325553"},{"@type":"NRID","@value":"9000391880256"},{"@type":"NRID","@value":"9000391849126"},{"@type":"NRID","@value":"9000401735248"},{"@type":"NRID","@value":"9000365550372"},{"@type":"NRID","@value":"9000391883905"},{"@type":"NRID","@value":"9000391874842"},{"@type":"NRID","@value":"9000391873258"},{"@type":"NRID","@value":"9000391845763"},{"@type":"NRID","@value":"9000391849656"},{"@type":"NRID","@value":"9000412196068"},{"@type":"NRID","@value":"9000258180022"},{"@type":"NRID","@value":"9000391859589"},{"@type":"NRID","@value":"9000397686711"},{"@type":"NRID","@value":"9000258158721"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/BAN_Takayuki"}],"foaf:name":[{"@value":"Takayuki Ban"}]},{"@id":"https://cir.nii.ac.jp/crid/1380566393931516288","@type":"Researcher","foaf:name":[{"@value":"Shota Iriyama"}]},{"@id":"https://cir.nii.ac.jp/crid/1380566393931516290","@type":"Researcher","foaf:name":[{"@value":"Yutaka Ohya"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"09218831"}],"prism:publicationName":[{"@value":"Advanced Powder Technology"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2018-03","prism:volume":"29","prism:number":"3","prism:startingPage":"537","prism:endingPage":"542"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/","https://www.elsevier.com/legal/tdmrep-license"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0921883117304090?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0921883117304090?httpAccept=text/plain"}],"createdAt":"2017-10-31","modifiedAt":"2025-10-13","project":[{"@id":"https://cir.nii.ac.jp/crid/1040000781966566400","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"17K06791"},{"@type":"JGN","@value":"JP17K06791"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K06791/"}],"notation":[{"@language":"ja","@value":"低酸素分圧下での酸化ガリウムの結晶欠陥の生成と生成した欠陥を利用したドーピング"},{"@language":"en","@value":"Chemical defects of gallium oxide at low oxygen partial pressure and doping for sol-gel thin 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