{"id":"https://openalex.org/W2298189745","doi":"https://doi.org/10.7566/jpsj.82.024601","title":"Anomalous Infrared Spectra of Hybridized Phonons in Type-I Clathrate Ba8Ga16Ge30","display_name":"Anomalous Infrared Spectra of Hybridized Phonons in Type-I Clathrate Ba8Ga16Ge30","publication_year":2013,"publication_date":"2013-01-25","ids":{"openalex":"https://openalex.org/W2298189745","doi":"https://doi.org/10.7566/jpsj.82.024601","mag":"2298189745"},"language":"en","primary_location":{"id":"doi:10.7566/jpsj.82.024601","doi":"https://doi.org/10.7566/jpsj.82.024601","is_oa":false,"landing_page_url":"https://doi.org/10.7566/jpsj.82.024601","pdf_url":null,"source":{"id":"https://openalex.org/S119212824","display_name":"Journal of the Physical Society of Japan","issn_l":"0031-9015","issn":["0031-9015","1347-4073"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310313296","host_organization_name":"Physical Society of Japan","host_organization_lineage":["https://openalex.org/P4310313296"],"host_organization_lineage_names":["Physical Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Physical Society of Japan","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1206.0073","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Kei Iwamoto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kei Iwamoto","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shunsuke Kushibiki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shunsuke Kushibiki","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hironori Honda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hironori Honda","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shuhei Kajitani","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuhei Kajitani","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Tatsuya Mori","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tatsuya Mori","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hideki Matsumoto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideki Matsumoto","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Naoki Toyota","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoki Toyota","raw_affiliation_strings":["Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019068632","display_name":"Koichiro Suekuni","orcid":"https://orcid.org/0000-0002-0515-4864","observed_orcids":["https://orcid.org/0000-0002-0515-4864"]},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichiro Suekuni","raw_affiliation_strings":["Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Marcos A. Avila","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]},{"id":"https://openalex.org/I71715416","display_name":"Universidade Federal do ABC","ror":"https://ror.org/028kg9j04","country_code":"BR","type":"education","lineage":["https://openalex.org/I71715416"]}],"countries":["BR","JP"],"is_corresponding":false,"raw_author_name":"Marcos A. Avila","raw_affiliation_strings":["Centro de Ci\u00eancias Naturais e Humanas, Universidade Federal do ABC, Santo Andr\u00e9 09210-971, Brazil","Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro de Ci\u00eancias Naturais e Humanas, Universidade Federal do ABC, Santo Andr\u00e9 09210-971, Brazil","institution_ids":["https://openalex.org/I71715416"]},{"raw_affiliation_string":"Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan","institution_ids":["https://openalex.org/I113306721"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086110948","display_name":"Toshiro Takabatake","orcid":"https://orcid.org/0000-0002-3293-8592","observed_orcids":["https://orcid.org/0000-0002-3293-8592"]},"institutions":[{"id":"https://openalex.org/I113306721","display_name":"Hiroshima University","ror":"https://ror.org/03t78wx29","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toshiro Takabatake","raw_affiliation_strings":["Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan","Institute for Advanced Material Research, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Quantum Matter, ADSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan","institution_ids":["https://openalex.org/I113306721"]},{"raw_affiliation_string":"Institute for Advanced Material Research, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan","institution_ids":["https://openalex.org/I113306721"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8008,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.6643779,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"82","issue":"2","first_page":"024601","last_page":"024601"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.5859000086784363,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","score":0.5859000086784363,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10681","display_name":"Rare-earth and actinide compounds","score":0.1014999970793724,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12875","display_name":"Thermal Expansion and Ionic Conductivity","score":0.04560000076889992,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ba8ga16ge30","display_name":"Ba8Ga16Ge30","score":0.984000027179718},{"id":"https://openalex.org/keywords/clathrate-compounds","display_name":"clathrate compounds","score":0.7260000109672546},{"id":"https://openalex.org/keywords/optical-conductivity","display_name":"optical conductivity","score":0.7900000214576721},{"id":"https://openalex.org/keywords/terahertz-spectroscopy","display_name":"terahertz spectroscopy","score":0.7860000133514404},{"id":"https://openalex.org/keywords/phonon-softening","display_name":"phonon softening","score":0.9760000109672546},{"id":"https://openalex.org/keywords/impurity-scattering","display_name":"impurity scattering","score":0.9589999914169312},{"id":"https://openalex.org/keywords/acoustic-phonons","display_name":"acoustic phonons","score":0.781000018119812}],"concepts":[{"id":"https://openalex.org/C24169881","wikidata":"https://www.wikidata.org/wiki/Q186608","display_name":"Phonon","level":2,"score":0.8436999917030334},{"id":"https://openalex.org/C142181693","wikidata":"https://www.wikidata.org/wiki/Q6493080","display_name":"Laser linewidth","level":3,"score":0.7651000022888184},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6531000137329102},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.6208000183105469},{"id":"https://openalex.org/C71987851","wikidata":"https://www.wikidata.org/wiki/Q7216430","display_name":"Impurity","level":2,"score":0.5472999811172485},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.5462999939918518},{"id":"https://openalex.org/C2781098093","wikidata":"https://www.wikidata.org/wiki/Q85787439","display_name":"Softening","level":2,"score":0.5113000273704529},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.48170000314712524},{"id":"https://openalex.org/C100402318","wikidata":"https://www.wikidata.org/wiki/Q864080","display_name":"Clathrate hydrate","level":3,"score":0.42149999737739563},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.40880000591278076},{"id":"https://openalex.org/C41999313","wikidata":"https://www.wikidata.org/wiki/Q489328","display_name":"Molecular physics","level":1,"score":0.39989998936653137},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.3984000086784363},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.37619999051094055},{"id":"https://openalex.org/C97346530","wikidata":"https://www.wikidata.org/wiki/Q487005","display_name":"Thermal conductivity","level":2,"score":0.32280001044273376},{"id":"https://openalex.org/C2778187894","wikidata":"https://www.wikidata.org/wiki/Q7098840","display_name":"Optical conductivity","level":2,"score":0.3093999922275543},{"id":"https://openalex.org/C40003534","wikidata":"https://www.wikidata.org/wiki/Q862228","display_name":"Raman spectroscopy","level":2,"score":0.3003999888896942},{"id":"https://openalex.org/C131540310","wikidata":"https://www.wikidata.org/wiki/Q907564","display_name":"Conductivity","level":2,"score":0.2987000048160553},{"id":"https://openalex.org/C3018695096","wikidata":"https://www.wikidata.org/wiki/Q11652","display_name":"Frequency dependence","level":2,"score":0.28619998693466187},{"id":"https://openalex.org/C153642686","wikidata":"https://www.wikidata.org/wiki/Q70906","display_name":"Infrared spectroscopy","level":2,"score":0.271699994802475},{"id":"https://openalex.org/C169573571","wikidata":"https://www.wikidata.org/wiki/Q466824","display_name":"Raman scattering","level":3,"score":0.2703000009059906},{"id":"https://openalex.org/C65053842","wikidata":"https://www.wikidata.org/wiki/Q7187311","display_name":"Phonon scattering","level":3,"score":0.25769999623298645}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.7566/jpsj.82.024601","doi":"https://doi.org/10.7566/jpsj.82.024601","is_oa":false,"landing_page_url":"https://doi.org/10.7566/jpsj.82.024601","pdf_url":null,"source":{"id":"https://openalex.org/S119212824","display_name":"Journal of the Physical Society of Japan","issn_l":"0031-9015","issn":["0031-9015","1347-4073"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310313296","host_organization_name":"Physical Society of Japan","host_organization_lineage":["https://openalex.org/P4310313296"],"host_organization_lineage_names":["Physical Society of Japan"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Physical Society of Japan","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1206.0073","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1206.0073","pdf_url":"https://arxiv.org/pdf/1206.0073","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.1206.0073","doi":"https://doi.org/10.48550/arxiv.1206.0073","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1206.0073","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1206.0073","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/1206.0073","pdf_url":"https://arxiv.org/pdf/1206.0073","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1310439469","display_name":"Novel thermoelectrics emerging from multinary freedoms of clathrates encapsulating rare-earths and alkaline metals","funder_award_id":"18204032","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G2594906118","display_name":null,"funder_award_id":"20102004","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G3020951937","display_name":"Development of reflection terahertz time-domain spectroscopy and investigation of strongly correlated system derived from rattling phonons","funder_award_id":"24740194","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G3724724937","display_name":"Dynamics of electrical conductions for the materials confined in continuous nano-space","funder_award_id":"15201019","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G4159790520","display_name":null,"funder_award_id":"15072205","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G5055457257","display_name":null,"funder_award_id":"18204032","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"},{"id":"https://openalex.org/G5373640763","display_name":"Development of parallelization strategy and speedup technique for 2D quamntum system on many-core parallel machines","funder_award_id":"23500056","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G6001397408","display_name":"Investigations of Lattice Dynamical Properties in Filled Skutterudite Compounds","funder_award_id":"15072205","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2298189745.pdf","grobid_xml":"https://content.openalex.org/works/W2298189745.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1492765173","https://openalex.org/W1636510716","https://openalex.org/W1668428185","https://openalex.org/W1677365242","https://openalex.org/W1972142136","https://openalex.org/W1975398237","https://openalex.org/W1976862813","https://openalex.org/W1984074922","https://openalex.org/W2022000490","https://openalex.org/W2026821615","https://openalex.org/W2035058394","https://openalex.org/W2040713221","https://openalex.org/W2043716984","https://openalex.org/W2048374946","https://openalex.org/W2053897298","https://openalex.org/W2067297550","https://openalex.org/W2072859621","https://openalex.org/W2080722482","https://openalex.org/W2081552110","https://openalex.org/W2118811590","https://openalex.org/W2214504069","https://openalex.org/W3103664263"],"related_works":["https://openalex.org/W2026821615","https://openalex.org/W1492765173","https://openalex.org/W2243982769","https://openalex.org/W2150851271","https://openalex.org/W2326705874","https://openalex.org/W1578387882","https://openalex.org/W2071531979","https://openalex.org/W2040713221","https://openalex.org/W3140848077","https://openalex.org/W2478523785"],"abstract_inverted_index":{"The":[0,23],"optical":[1],"conductivity":[2],"spectra":[3],"of":[4,18,32,37,66,76,83,94,103],"the":[5,9,19,28,52,67,77,81,84,99],"rattling":[6,104],"phonons":[7],"in":[8,14,51,92],"clathrate":[10],"Ba$_8$Ga$_{16}$Ge$_{30}$":[11],"are":[12,90],"investigated":[13],"detail":[15],"by":[16],"use":[17],"terahertz":[20],"time-domain":[21],"spectroscopy.":[22],"experiment":[24],"has":[25],"revealed":[26],"that":[27],"lowest-lying":[29],"vibrational":[30],"mode":[31],"a":[33,38,47],"Ba(2)$^{2+}$":[34],"ion":[35],"consists":[36],"sharp":[39],"Lorentzian":[40],"peak":[41,69,79],"at":[42],"1.2":[43],"THz":[44],"superimposed":[45],"on":[46,98],"broad":[48],"tail":[49,85],"weighted":[50],"lower":[53],"frequency":[54],"regime":[55],"around":[56],"1.0":[57],"THz.":[58],"With":[59],"decreasing":[60],"temperature,":[61],"an":[62],"unexpected":[63],"linewidth":[64],"broadening":[65],"phonon":[68,78,101],"is":[70],"observed,":[71],"together":[72],"with":[73],"monotonic":[74],"softening":[75],"and":[80,105],"enhancement":[82],"structure.":[86],"These":[87],"observed":[88],"anomalies":[89],"discussed":[91],"terms":[93],"impurity":[95],"scattering":[96],"effects":[97],"hybridized":[100],"system":[102],"acoustic":[106],"phonons.":[107]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-05T12:25:35.769452","created_date":"2016-06-24T00:00:00"}
