{"created":"2023-05-15T14:37:42.657587+00:00","id":48647,"links":{},"metadata":{"_buckets":{"deposit":"1b4b507e-4064-4314-b631-7ef6e93b6b01"},"_deposit":{"created_by":1,"id":"48647","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"48647"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00048647","sets":["1"]},"author_link":["489311","489320","489317","489324","489313","489312","489322","489319","489314","489321","489309","489308","489310","489316","489323","489315","489307","489318","489325"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"165","bibliographicPageStart":"158","bibliographicVolumeNumber":"5","bibliographic_titles":[{"bibliographic_title":"IUCrJ"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"励起子絶縁体である積層構造物質Ta2NiSe5の高圧下における結晶構造を単結晶及び粉末シンクロトロンX線回折測定により決定した。常圧の単斜晶励起子絶縁体相IIは、加温または圧力下において半導体の斜方晶相Iへ転移する。より高い圧力（> 3GPa）では、斜方晶の半金属相IIIへの転移が起こる。この相Iから相IIIへの転移は、弱く結合した層が結晶全体でコヒーレントにスライドして起こる圧力誘起一次相転移であり、層間Seイオン間の幾何学的配置におけるクーロン相互作用によって大きく影響される。さらに低温では相IIIは単斜晶相IVに転移し、励起子絶縁体相IIに類似した構造となる。観測された層のスライドにもかかわらず、励起子相互作用が保持されているように見える。","subitem_description_type":"Abstract"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1107/S2052252517018334","subitem_relation_type_select":"DOI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2052-2525","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Nakano, 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Ta2NiSe5","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-03-27"},"publish_date":"2018-03-27","publish_status":"0","recid":"48647","relation_version_is_last":true,"title":["Pressure-induced coherent sliding-layer transition in the excitonic insulator Ta2NiSe5"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:25:50.478375+00:00"}