{"created":"2023-05-15T16:47:13.171103+00:00","id":23798,"links":{},"metadata":{"_buckets":{"deposit":"b260f76d-a542-431a-bd41-ac3d71df5166"},"_deposit":{"created_by":2,"id":"23798","owners":[2],"pid":{"revision_id":0,"type":"depid","value":"23798"},"status":"published"},"_oai":{"id":"oai:nagasaki-u.repo.nii.ac.jp:00023798","sets":["18:105:117:1671"]},"author_link":["100428","100427","100426","100429","100430","100425"],"item_3_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Cu Impurity Level in Compound Semiconductor of ZnSe"}]},"item_3_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1999-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"22","bibliographicPageStart":"15","bibliographicVolumeNumber":"60","bibliographic_titles":[{"bibliographic_title":"長崎大学教育学部紀要. 自然科学"}]}]},"item_3_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"加速電子を物質に照射したときに得られる発光現象-カソードルミネスセンセンス (CL) 法-を使って, II-VI属化合物半導体ZnSeの結晶評価を行った。ZnSeは禁制帯幅(Eg)は2.67eVで, ワイドギャップ半導体材料の一つで, 青色から赤色までの可視光領域の発光をすることで知られている。特に青色は発光ダイオード用半導体材料として注目されている。Piper-Polish法により単結晶を成長させた不純物ドープ量の異なる3種のZnSe単結晶を選び, 室温でCLスペクトル測定を行い不純物準位を算出した。用意した3種の試料からの発光スペクトル図形は略同一となっているが, ピーク発光波長とその強度は異なっている。Cu不純物量が増大すると, 青色 : 462.5nm(2.68eV)は減衰し, 緑色 : 547.5nm(2.26eV)と赤色 : 615.0nm(2.02eV)の発光強度が増大する。さらにドープ量が増大すると, 全体に発光強度は衰退し, 緑色発光も減衰し, 赤色 : 615.0nm(2.02eV), 667.5nm(1.86eV)が中心となってくることが分かった。青色発光波長 : 462.5nm(2.68eV)はZnSeのバンド間遷移, 緑色発光 : 547.5nm(2.26eV)はCuドナー(0.4eV; Cu-Green)と充満帯間の遷移, 赤色発光 : 615.0nm(2.02eV)は, Cuアクセプタ(0.65eV; Cu-Red)-伝導帯間の遷移である。","subitem_description_type":"Abstract"}]},"item_3_description_64":{"attribute_name":"引用","attribute_value_mlt":[{"subitem_description":"長崎大学教育学部紀要. 教育科学. vol.62, p.57-64; 2002@@@長崎大学教育学部紀要. 自然科学. vol.60, p.15-22; 1999","subitem_description_type":"Other"}]},"item_3_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"100429","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Takenoshita, Hiroshi"}]},{"nameIdentifiers":[{"nameIdentifier":"100430","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Takigawa, Ken"}]}]},"item_3_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11330079","subitem_source_identifier_type":"NCID"}]},"item_3_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"13451359","subitem_source_identifier_type":"ISSN"}]},"item_3_text_62":{"attribute_name":"sortkey","attribute_value_mlt":[{"subitem_text_value":"P00015-P00022"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"竹野下, 寛"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"瀧川, 健"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-12-24"}],"displaytype":"detail","filename":"KJ00000045760.pdf","filesize":[{"value":"570.8 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"KJ00000045760.pdf","url":"https://nagasaki-u.repo.nii.ac.jp/record/23798/files/KJ00000045760.pdf"},"version_id":"b81d2d37-6299-4d90-820e-540364ce0e0e"}]},"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":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"化合物半導体ZnSeのCu不純物準位","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"化合物半導体ZnSeのCu不純物準位"}]},"item_type_id":"3","owner":"2","path":["1671"],"pubdate":{"attribute_name":"公開日","attribute_value":"2007-02-08"},"publish_date":"2007-02-08","publish_status":"0","recid":"23798","relation_version_is_last":true,"title":["化合物半導体ZnSeのCu不純物準位"],"weko_creator_id":"2","weko_shared_id":-1},"updated":"2023-05-16T00:37:16.335901+00:00"}