{"@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/1040867731180964992.json","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"25K22228"},{"@type":"JGN","@value":"JP25K22228"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25K22228/"}],"jpcoar:awardTitle":[{"@language":"ja","@value":"四重井戸ポテンシャルと低分極反転障壁をもつカチオン欠損ウルツ鉱型強誘電体の創製"}],"field":[{"keyword":[{"language":"ja","textList":["中区分30:応用物理工学およびその関連分野"]},{"language":"en","textList":["Medium-sized Section 30:Applied physics and engineering and related fields"]}]}],"dc:language":"ja","description":[{"type":"outline_of_research_initial","notation":[{"@language":"ja","@value":"本研究では、最近申請者らの第一原理計算により、四重井戸分極反転ポテンシャルおよび低い分極反転障壁をもつことが予測された、Al2S3を含むカチオン欠損ウルツ鉱型強誘電体の創製を目指す。具体的には、高品質かつ十分なサイズをもつAl2S3単結晶試料の合成、分極反転および低い抗電場の実証、さらには、ピエゾ応答力顕微鏡および放射光in-situ結晶構造解析による四重井戸ポテンシャルに由来する多分極状態の実証に取り組む。第一原理計算により類似の結晶構造をもつ化合物の強誘電性についても調査し、電場下でのスイッチング挙動についても検討する。"}]}],"researcher":[{"@id":"https://cir.nii.ac.jp/crid/1420285329316750592","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30892533"},{"@type":"NRID","@value":"1000030892533"},{"@type":"ORCID","@value":"0000-0001-8192-996X"}],"foaf:name":[{"@language":"ja","@value":"大野 真之"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"東北大学"}],"role":"co_investigator_buntan"},{"@id":"https://cir.nii.ac.jp/crid/1420845751136747648","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"10776537"},{"@type":"NRID","@value":"1000010776537"},{"@type":"ORCID","@value":"0000-0003-2867-2127"},{"@type":"NRID","@value":"9000006493716"},{"@type":"NRID","@value":"9000412339016"},{"@type":"NRID","@value":"9000398390034"},{"@type":"NRID","@value":"9000023705594"},{"@type":"NRID","@value":"9000402781829"},{"@type":"NRID","@value":"9000403553315"},{"@type":"NRID","@value":"9000023063567"},{"@type":"NRID","@value":"9000237868949"},{"@type":"NRID","@value":"9000024275573"},{"@type":"NRID","@value":"9000402022731"},{"@type":"NRID","@value":"9000398390029"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/hirofumi_akamatsu"}],"foaf:name":[{"@language":"ja","@value":"赤松 寛文"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学"}],"role":"principal_investigator"}],"since":"2025-06-27","until":"2027-03-31","institution":[{"institutionIdentifier":[{"@type":"NII","@value":"0017102"}],"notation":[{"@language":"ja","@value":"九州大学"},{"@language":"en","@value":"Kyushu University"}]}],"fundingProgram":[{"jpcoar:funderName":[{"@language":"ja","@value":"科学研究費助成事業"},{"@language":"en","@value":"Grants-in-Aid for Scientific Research"}]}],"url":[{"@id":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25K22228/","notation":[{"@value":"KAKEN"}]}],"createdAt":"2025-06-30","modifiedAt":"2025-08-27","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=%E5%BC%B7%E8%AA%98%E9%9B%BB%E4%BD%93","dc:title":"強誘電体"},{"@id":"https://cir.nii.ac.jp/all?q=%E3%82%A6%E3%83%AB%E3%83%84%E9%89%B1%E5%9E%8B%E5%8C%96%E5%90%88%E7%89%A9","dc:title":"ウルツ鉱型化合物"}],"dataSourceIdentifier":[{"@type":"KAKEN","@value":"25K22228"}],"grant":{"grantIdentifier":[{"@type":"NII","@value":"250"}],"jpcoar:fundingStream":[{"@language":"ja","@value":"挑戦的研究(萌芽)"},{"@language":"en","@value":"Grant-in-Aid for Challenging Research (Exploratory)"}]},"allocationClassification":[{"notation":[{"@language":"ja","@value":"基金"},{"@language":"en","@value":"Multi-year Fund"}]}],"projectStatus":"granted","allocationAmount":{"totalCost":{"amount":"6500000","currency":"JPY"},"breakdownCost":[{"notation":[{"@language":"ja","@value":"直接経費"},{"@language":"en","@value":"Direct Cost"}],"amount":"5000000","currency":"JPY"},{"notation":[{"@language":"ja","@value":"間接経費"},{"@language":"en","@value":"Indirect Cost"}],"amount":"1500000","currency":"JPY"}]}}