{"created":"2025-02-21T04:29:41.307741+00:00","id":2008628,"links":{},"metadata":{"_buckets":{"deposit":"3b537636-ee97-4c35-a2a3-34c9e0389364"},"_deposit":{"created_by":41,"id":"2008628","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008628"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008628","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Superconducting characteristics in electron-doped layered hafnium nitride : 15N isotope effect studies","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tou, Hideki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Tou","familyNameLang":"en"}],"givenNames":[{"givenName":"Hideki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Maniwa, Yutaka","creatorNameLang":"en"}],"familyNames":[{"familyName":"Maniwa","familyNameLang":"en"}],"givenNames":[{"givenName":"Yutaka","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Yamanaka, Shoji","creatorNameLang":"en"}],"familyNames":[{"familyName":"Yamanaka","familyNameLang":"en"}],"givenNames":[{"givenName":"Shoji","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2003 The American Physical Society"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"420","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"We report 15N nuclear magnetic resonance (NMR) and the nitrogen-isotope effect studies on c-axis oriented sample of Li-doped HfNCl with superconducting transition temperature Tc~25.5 K. 15N NMR Knight shift decreases toward zero below Tc, giving evidence that the pairing symmetry is an even-parity spin singlet, and that the nitrogen site plays an important role in the occurrence of superconductivity. A nitrogen isotope shift is found to be quite small, ∇Tc~0.1 K (N = 0.07±0.02), which cannot reproduce such a high Tc within the traditional BCS framework.","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"The American Physical Society"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"1098-0121","subitem_source_identifier_type":"ISSN"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"100509"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"100509","bibliographicVolumeNumber":"67","bibliographic_titles":[{"bibliographic_title":"Physical review. 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