{"@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/1360004233289949056.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2012gl052103"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2012GL052103"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2012GL052103"}},{"identifier":{"@type":"DOI","@value":"10.1016/j.epsl.2015.02.008"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0012821X15000862?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0012821X15000862?httpAccept=text/plain"}},{"identifier":{"@type":"HANDLE","@value":"20.500.11820/301434b6-e44e-47dc-8f4a-b1a51bfca5f9"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"The structure of Fe‐Ni alloy in Earth's inner core"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>The crystal structure of Fe‐10%Ni was investigated up to 340 GPa and 4700 K, corresponding to the Earth's inner core conditions by synchrotron X‐ray diffraction measurements<jats:italic>in</jats:italic>‐<jats:italic>situ</jats:italic>at ultrahigh pressure and temperature in a laser‐heated diamond‐anvil cell. The results show that hexagonal closed‐packed (hcp) structure is stable throughout the experimental conditions investigated with no evidence for a phase transition to body‐centered cubic (bcc) or face‐centered cubic (fcc) phases. The axial<jats:italic>c</jats:italic>/<jats:italic>a</jats:italic> ratio of the hcp crystal obtained around 330 GPa has a small temperature dependence similar to the axial ratio of pure Fe. Iron alloy with less than 10% Ni crystallizes to an hcp structure with <jats:italic>c</jats:italic>/<jats:italic>a</jats:italic> ratio of ∼1.61 at inner core conditions, although the effect of small amount of light elements remains to be examined by experiments.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1030003658543435146","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30572903"},{"@type":"NRID","@value":"1000030572903"},{"@type":"NRID","@value":"9000018775434"},{"@type":"NRID","@value":"9000270883187"},{"@type":"NRID","@value":"9000017677739"},{"@type":"NRID","@value":"9000019229129"},{"@type":"NRID","@value":"9000283905030"},{"@type":"NRID","@value":"9000345406555"},{"@type":"NRID","@value":"9000381494707"},{"@type":"NRID","@value":"9000396138806"},{"@type":"NRID","@value":"9000005389086"},{"@type":"NRID","@value":"9000370281993"},{"@type":"NRID","@value":"9000345296124"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0125632"}],"foaf:name":[{"@value":"Shigehiko 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(AGU)"}],"prism:publicationDate":"2012-06-26","prism:volume":"39","prism:number":"12","prism:startingPage":"11","prism:endingPage":"19"},"reviewed":"false","invited":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2012GL052103"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2012GL052103"},{"@id":"https://api.elsevier.com/content/article/PII:S0012821X15000862?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0012821X15000862?httpAccept=text/plain"}],"createdAt":"2012-06-05","modifiedAt":"2023-10-30","project":[{"@id":"https://cir.nii.ac.jp/crid/1040000781833927296","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"15H05831"},{"@type":"JGN","@value":"JP15H05831"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-15H05831/"}],"notation":[{"@language":"ja","@value":"元素分配から制約する核－マントルの相互作用"},{"@language":"en","@value":"Core-mantle evolution constrained by element partitioning"}]},{"@id":"https://cir.nii.ac.jp/crid/1040000782142697600","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"23224012"},{"@type":"JGN","@value":"JP23224012"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23224012/"}],"notation":[{"@language":"ja","@value":"大陸成長史と構造浸食：第二大陸の成長とマントルダイナミクス"},{"@language":"en","@value":"Growth of the second continent and mantle dynamics: Insights from a history of continental growth and tectonic erosion"}]},{"@id":"https://cir.nii.ac.jp/crid/1040000782188819200","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24000005"},{"@type":"JGN","@value":"JP24000005"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24000005/"}],"notation":[{"@language":"ja","@value":"地球中心核の物質と進化の解明"},{"@language":"en","@value":"Materials property and evolution of Earth's 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Geochemistry"}]},{"@id":"https://cir.nii.ac.jp/crid/1040282257293365248","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"26800274"},{"@type":"JGN","@value":"JP26800274"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26800274/"}],"notation":[{"@language":"ja","@value":"レーザー加熱ダイヤモンドアンビルセルを用いた内核・外核物質の密度測定"},{"@language":"en","@value":"Density measurements of iron alloys at high pressure"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001202892464768","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Sound velocity measurements of hcp Fe-Si alloy at high pressure and high temperature by inelastic X-ray scattering"}]},{"@id":"https://cir.nii.ac.jp/crid/1050002213759428608","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The effects of ferromagnetism and 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