{"created":"2023-05-15T15:03:15.510295+00:00","id":85693,"links":{},"metadata":{"_buckets":{"deposit":"4a21acc6-dfb6-4529-9e1e-6354a731b103"},"_deposit":{"created_by":1,"id":"85693","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"85693"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00085693","sets":["1"]},"author_link":["1031506","1031508","1031511","1031510","1031504","1031500","1031502","1031505","1031496","1031507","1031498","1031509","1031503","1031497","1031501","1031499"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2021-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"6","bibliographicPageStart":"064075","bibliographicVolumeNumber":"15","bibliographic_titles":[{"bibliographic_title":"PHYSICAL REVIEW APPLIED"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Nitrogen-vacancy (N-V) centers in diamond have developed into a powerful solid-state platform for compact quantum sensors. However, high-sensitivity measurements usually come with additional constraints on the pumping intensity of the laser and the pulse control applied. Here, we demonstrate high-sensitivity N-V-ensemble-based magnetic field measurements with low-intensity optical excitation. Direct current magnetometry methods such as continuous-wave optically detected magnetic resonance and continuously excited Ramsey measurements combined with lock-in detection are compared to achieve an optimization. Gradiometry is also investigated as a step towards unshielded measurements of unknown gradients. The magnetometer demonstrates a minimum detectable field of 0.3–0.7 pT in a 73-s measurement when a flux guide with a sensing dimension of 2 mm is applied, corresponding to a magnetic field sensitivity of 2.6–6 pT/√Hz. Combined with our previous efforts on diamond ac magnetometry, the diamond magnetometer is promising for performing wide-bandwidth magnetometry with picotesla sensitivity and a cubic-millimeter sensing volume under ambient conditions.","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"APS"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1103/PhysRevApplied.15.064075","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.15.064075","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2331-7019","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":"Zhang, Chen"}],"nameIdentifiers":[{"nameIdentifier":"1031496","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shagieva, Farida"}],"nameIdentifiers":[{"nameIdentifier":"1031497","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Widmann, Matthias"}],"nameIdentifiers":[{"nameIdentifier":"1031498","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Michael, Kübler"}],"nameIdentifiers":[{"nameIdentifier":"1031499","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Vorobyov, Vadim"}],"nameIdentifiers":[{"nameIdentifier":"1031500","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kapitanova, Polina"}],"nameIdentifiers":[{"nameIdentifier":"1031501","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nenasheva, Elizaveta"}],"nameIdentifiers":[{"nameIdentifier":"1031502","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Corkill, Ruth"}],"nameIdentifiers":[{"nameIdentifier":"1031503","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Rhrle, Oliver"}],"nameIdentifiers":[{"nameIdentifier":"1031504","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nakamura, Kazuo"}],"nameIdentifiers":[{"nameIdentifier":"1031505","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sumiya, Hitoshi"}],"nameIdentifiers":[{"nameIdentifier":"1031506","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shinobu, Onoda"}],"nameIdentifiers":[{"nameIdentifier":"1031507","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Junichi, Isoya"}],"nameIdentifiers":[{"nameIdentifier":"1031508","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Jörg, Wrachtrup"}],"nameIdentifiers":[{"nameIdentifier":"1031509","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shinobu, Onoda","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1031510","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Junichi, Isoya","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1031511","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Diamond Magnetometry and Gradiometry Towards Subpicotesla dc Field Measurement","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Diamond Magnetometry and Gradiometry Towards Subpicotesla dc Field Measurement"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-10-07"},"publish_date":"2021-10-07","publish_status":"0","recid":"85693","relation_version_is_last":true,"title":["Diamond Magnetometry and Gradiometry Towards Subpicotesla dc Field Measurement"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T17:40:48.686484+00:00"}