{"created":"2021-03-01T06:44:06.836812+00:00","id":8664,"links":{},"metadata":{"_buckets":{"deposit":"b2f2ae7c-84ca-4e80-af48-c3a76ffe2fb3"},"_deposit":{"id":"8664","owners":[],"pid":{"revision_id":0,"type":"depid","value":"8664"},"status":"published"},"_oai":{"id":"oai:tsukuba.repo.nii.ac.jp:00008664","sets":["3:233:244"]},"author_link":["35582"],"item_12_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004","bibliographicIssueDateType":"Issued"}}]},"item_12_date_granted_46":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2004-03-25"}]},"item_12_degree_grantor_44":{"attribute_name":"学位授与大学","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"筑波大学"},{"subitem_degreegrantor_language":"en","subitem_degreegrantor_name":"University of Tsukuba"}],"subitem_degreegrantor_identifier":[{"subitem_degreegrantor_identifier_name":"12102","subitem_degreegrantor_identifier_scheme":"kakenhi"}]}]},"item_12_degree_name_43":{"attribute_name":"取得学位","attribute_value_mlt":[{"subitem_degreename":"博士（工学） "},{"subitem_degreename":"Doctor of Philosophy in Engineering"}]},"item_12_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"酸化物超伝導体として｢知られるBaPbxBi1-xO3，及びBA1-xKxBiO3は低ドープ領域(x<0.65及びx<0.3)において，強い電子格子相互作用によって2eVもの直接遷移ギャップと約0.4eVの間接遷移ギャップを生じる半導体である。その機構は酸素八面体のブリージングモード歪とそれに伴うBiイオンの電荷不均化によって起こる電荷密度波(CDW)により説明されている。本研究ではこれらの物質について輸送特性，磁性及び圧力効果を調べた。BaPbxBi1-xO3については，抵抗率，ホール効果測定を半導体相(0<x<0.65)について行ない，その温度依存性から次のことがわかった。この系で，特に金属相に近い組成領域では，伝導を担うキャリアとして電子，ホール共に電気伝導に同程度の寄与をしている。そしてそれらの伝導機構は,帯磁率，光学測定の結果との比較から，酸素八面体のブリージングモードと結合したポーラロン伝導であることが示唆される。 ･･･","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_12_description_45":{"attribute_name":"学位授与年度","attribute_value_mlt":[{"subitem_description":"2003","subitem_description_type":"Other"}]},"item_12_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"英タイトルは英文標題紙による","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_12_dissertation_number_47":{"attribute_name":"報告番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第3542号"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"静谷, 満幸","creatorNameLang":"ja"},{"creatorName":"Shizuya, Mitsuyuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"35582","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2013-12-18"}],"displaytype":"detail","filename":"A3542.pdf","filesize":[{"value":"112.1 kB"}],"format":"application/pdf","mimetype":"application/pdf","url":{"objectType":"abstract","url":"https://tsukuba.repo.nii.ac.jp/record/8664/files/A3542.pdf"},"version_id":"911ae14e-cfff-44e9-9bfb-19994274aeeb"},{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2013-12-18"}],"displaytype":"detail","filename":"1.pdf","filesize":[{"value":"11.2 MB"}],"format":"application/pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://tsukuba.repo.nii.ac.jp/record/8664/files/1.pdf"},"version_id":"1b08672d-0251-45f6-9a2e-c1c03e6d505d"}]},"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":"doctoral thesis","resourceuri":"http://purl.org/coar/resource_type/c_db06"}]},"item_title":"強い電子格子相互作用を有する酸化物Ba1-x KxBiO3 及びBaPbxBi1-xO3 の輸送特性及び圧力効果","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"強い電子格子相互作用を有する酸化物Ba1-x KxBiO3 及びBaPbxBi1-xO3 の輸送特性及び圧力効果","subitem_title_language":"ja"},{"subitem_title":"Transport property and pressure effect on Ba1-xKxBiO3 and BaPbxBi1-xO3 with strong electron phonon interaction","subitem_title_language":"en"}]},"item_type_id":"12","owner":"1","path":["244"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2007-07-25"},"publish_date":"2007-07-25","publish_status":"0","recid":"8664","relation_version_is_last":true,"title":["強い電子格子相互作用を有する酸化物Ba1-x KxBiO3 及びBaPbxBi1-xO3 の輸送特性及び圧力効果"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-01T01:47:43.528811+00:00"}