{"created":"2023-05-15T15:03:27.735802+00:00","id":85976,"links":{},"metadata":{"_buckets":{"deposit":"e0e72d0c-735b-4c09-905b-a179b3240ace"},"_deposit":{"created_by":1,"id":"85976","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"85976"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00085976","sets":["10:29"]},"author_link":["1040120","1040122","1040129","1040114","1040127","1040121","1040116","1040128","1040123","1040112","1040113","1040119","1040124","1040115","1040111","1040118","1040125","1040130","1040126","1040117"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2022-03-16","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ペロブスカイト型化合物PbVO3は、高圧下で-10.6%という非常に大きな体積減少を伴う、極性正方晶(P4mm)から非極性立方晶(Pm-3m)への構造相転移を示す、不熱膨張材料である。\n本研究ではPb2+やBi3+の持つ6s2孤立電子対の量を調節することで大きなc/aを保ちつつ温度誘起相転移を狙い、巨大な体積変化を伴う負熱膨張物質の設計を図った。\nこのように設計されたPb0.8Bi0.1Sr0.1VO3において、低温相と高温相の体積差が高圧下での体積収縮に匹敵する-11.1%となる負熱膨張を実現した。\nさらに10%以上の巨大な体積差を持つ2相の共存状態の観察を、透過電子顕微鏡観察とBragg コヒーレントX 線回折イメージングにより初めて成功した。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"日本物理学会2022年年次大会","subitem_description_type":"Other"}]},"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":"西久保, 匠"}],"nameIdentifiers":[{"nameIdentifier":"1040111","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"今井, 孝"}],"nameIdentifiers":[{"nameIdentifier":"1040112","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"酒井, 雄樹"}],"nameIdentifiers":[{"nameIdentifier":"1040113","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"水牧, 仁一朗"}],"nameIdentifiers":[{"nameIdentifier":"1040114","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"大和田, 謙二"}],"nameIdentifiers":[{"nameIdentifier":"1040115","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"町田, 晃彦"}],"nameIdentifiers":[{"nameIdentifier":"1040116","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"綿貫, 徹"}],"nameIdentifiers":[{"nameIdentifier":"1040117","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"押目, 典宏"}],"nameIdentifiers":[{"nameIdentifier":"1040118","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"島田, 歩"}],"nameIdentifiers":[{"nameIdentifier":"1040119","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"菅原, 健人"}],"nameIdentifiers":[{"nameIdentifier":"1040120","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"久留島, 康輔"}],"nameIdentifiers":[{"nameIdentifier":"1040121","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"森, 茂生"}],"nameIdentifiers":[{"nameIdentifier":"1040122","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"溝川, 貴司"}],"nameIdentifiers":[{"nameIdentifier":"1040123","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"東, 正樹"}],"nameIdentifiers":[{"nameIdentifier":"1040124","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kenji, Ohwada","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040125","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Akihiko, Machida","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040126","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tetsu, Watanuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040127","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Norihiro, Oshime","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040128","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ayumu, Shimada","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040129","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kento, Sugawara","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1040130","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-03-10"},"publish_date":"2022-03-10","publish_status":"0","recid":"85976","relation_version_is_last":true,"title":["PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T17:25:20.111466+00:00"}