{"created":"2025-02-21T04:29:23.731240+00:00","id":2008619,"links":{},"metadata":{"_buckets":{"deposit":"d04b7715-ef3a-4a67-b4d5-0e65eaf54ce8"},"_deposit":{"created_by":41,"id":"2008619","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008619"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008619","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Optical Conductivity Spectral Anomalies in the Off-Center Rattling System β-Ba8Ga16Sn30","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Mori, Tatsuya","creatorNameLang":"en"}],"familyNames":[{"familyName":"Mori","familyNameLang":"en"}],"givenNames":[{"givenName":"Tatsuya","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Iwamoto, K.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Iwamoto","familyNameLang":"en"}],"givenNames":[{"givenName":"K.","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Kushibiki, S.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Kushibiki","familyNameLang":"en"}],"givenNames":[{"givenName":"S.","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Honda, H.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Honda","familyNameLang":"en"}],"givenNames":[{"givenName":"H.","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Matsumoto, Hideki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Matsumoto","familyNameLang":"en"}],"givenNames":[{"givenName":"Hideki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Toyota, Naoki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Toyota","familyNameLang":"en"}],"givenNames":[{"givenName":"Naoki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Avila, ​Marcos A.","creatorNameLang":"en"}],"familyNames":[{"familyName":"Avila","familyNameLang":"en"}],"givenNames":[{"givenName":"​Marcos A.","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Suekuni, Koichiro","creatorNameLang":"en"}],"familyNames":[{"familyName":"Suekuni","familyNameLang":"en"}],"givenNames":[{"givenName":"Koichiro","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Takabatake, Toshiro","creatorNameLang":"en"}],"familyNames":[{"familyName":"Takabatake","familyNameLang":"en"}],"givenNames":[{"givenName":"Toshiro","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) 2011 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 present optical conductivity studies of the type-I clathrate Ba_8Ga_<16>Sn_<30>, using a terahertz time-domain spectrometer (0.3-3.0 THz). The lowest-lying spectral peak at 0.72 THz due to the Ba(2) ion's off-center vibration in the oversized cage shows a drastic and anomalous temperature dependence. Below about 100 K, the single broad peak splits into two subpeaks, and with further lowering of the temperature, the spectral shape of this so-called rattling phonon shows non-Boltzmann broadening to the point that the linewidth becomes comparable to the peak frequency. Whereas the initial splitting can be understood by assuming a multiwell anharmonic potential, the strong linewidth broadening toward low temperature cannot, since the Boltzmann factor generally sharpens the low-temperature spectra. The observed behavior suggests strong interaction between the local anharmonic phonons and other excitations.","subitem_description_type":"Other"}]},"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":"0031-9007","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA00773679","subitem_source_identifier_type":"NCID"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"015501-1"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-01-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"015501-4","bibliographicPageStart":"015501-1","bibliographicVolumeNumber":"106","bibliographic_titles":[{"bibliographic_title":"Physical review letters"},{"bibliographic_title":"Physical review letters"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1103/PhysRevLett.106.015501","subitem_relation_type_select":"DOI"}},{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1103/PhysRevLett.106.015501","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"PhysRevLett_106_015501.pdf","filesize":[{"value":"353.0 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2008619/files/PhysRevLett_106_015501.pdf"},"version_id":"5e7c3b6e-4fa2-4777-8eca-70587ed31b5b"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"31971"},"item_title":"Optical Conductivity Spectral Anomalies in the Off-Center Rattling System β-Ba8Ga16Sn30","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2008619","relation_version_is_last":true,"title":["Optical Conductivity Spectral Anomalies in the Off-Center Rattling System β-Ba8Ga16Sn30"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-22T04:00:29.667161+00:00"}