{"id":"https://openalex.org/W1968178109","doi":"https://doi.org/10.3938/jkps.63.477","title":"Strong enhancement of superconductivity in inorganic electride 12CaO\u00b77Al2O3:e\u2212 under high pressure","display_name":"Strong enhancement of superconductivity in inorganic electride 12CaO\u00b77Al2O3:e\u2212 under high pressure","publication_year":2013,"publication_date":"2013-08-01","ids":{"openalex":"https://openalex.org/W1968178109","doi":"https://doi.org/10.3938/jkps.63.477","mag":"1968178109"},"language":"en","primary_location":{"id":"doi:10.3938/jkps.63.477","doi":"https://doi.org/10.3938/jkps.63.477","is_oa":false,"landing_page_url":"https://doi.org/10.3938/jkps.63.477","pdf_url":null,"source":{"id":"https://openalex.org/S28330355","display_name":"Journal of the Korean Physical Society","issn_l":"0374-4884","issn":["0374-4884","1976-8524"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","kci-registered","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Korean Physical Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108260470","display_name":"Shigeki Tanaka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405286105","display_name":"Center for Science and Technology under Extreme Conditions","ror":"https://ror.org/0152sjw80","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shigeki Tanaka","raw_affiliation_strings":["KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan","institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108195833","display_name":"Tomoki Kato","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405286105","display_name":"Center for Science and Technology under Extreme Conditions","ror":"https://ror.org/0152sjw80","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomoki Kato","raw_affiliation_strings":["KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan","institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077649274","display_name":"Atsushi Miyake","orcid":"https://orcid.org/0000-0003-2941-9326","observed_orcids":["https://orcid.org/0000-0003-2941-9326"]},"institutions":[{"id":"https://openalex.org/I4405286105","display_name":"Center for Science and Technology under Extreme Conditions","ror":"https://ror.org/0152sjw80","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Miyake","raw_affiliation_strings":["KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan","institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039593262","display_name":"Tomoko Kagayama","orcid":"https://orcid.org/0000-0001-9971-4406","observed_orcids":["https://orcid.org/0000-0001-9971-4406"]},"institutions":[{"id":"https://openalex.org/I4405286105","display_name":"Center for Science and Technology under Extreme Conditions","ror":"https://ror.org/0152sjw80","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomoko Kagayama","raw_affiliation_strings":["KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan","institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003289849","display_name":"Katsuya Shimizu","orcid":"https://orcid.org/0000-0003-0560-8325","observed_orcids":["https://orcid.org/0000-0003-0560-8325"]},"institutions":[{"id":"https://openalex.org/I4405286105","display_name":"Center for Science and Technology under Extreme Conditions","ror":"https://ror.org/0152sjw80","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Katsuya Shimizu","raw_affiliation_strings":["KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KYOKUGEN, Osaka University, Toyonaka Osaka, 560-8531, Japan","institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034619474","display_name":"Sung Wng Kim","orcid":"https://orcid.org/0000-0002-4802-5421","observed_orcids":["https://orcid.org/0000-0002-4802-5421","https://orcid.org/0000-0002-1629-0319"]},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Sung Wng Kim","raw_affiliation_strings":["Frontier Research Center, Tokyo Institute of Technology, Yokohama Kanagawa, 225-8503, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Frontier Research Center, Tokyo Institute of Technology, Yokohama Kanagawa, 225-8503, Japan","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049458565","display_name":"Satoru Matsuishi","orcid":"https://orcid.org/0000-0001-8905-0255","observed_orcids":["https://orcid.org/0000-0001-8905-0255"]},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]},{"id":"https://openalex.org/I4405286850","display_name":"Materials & Structures Laboratory","ror":"https://ror.org/03a7aaw75","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286850"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Satoru Matsuishi","raw_affiliation_strings":["Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama Kanagawa, 226-8503, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama Kanagawa, 226-8503, Japan","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4405286850"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007812423","display_name":"Hideo Hosono","orcid":"https://orcid.org/0000-0001-9260-6728","observed_orcids":["https://orcid.org/0000-0001-9260-6728"]},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]},{"id":"https://openalex.org/I4405286850","display_name":"Materials & Structures Laboratory","ror":"https://ror.org/03a7aaw75","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4400009020","https://openalex.org/I4405286850"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideo Hosono","raw_affiliation_strings":["Frontier Research Center, Tokyo Institute of Technology, Yokohama Kanagawa, 225-8503, Japan","Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama Kanagawa, 226-8503, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Frontier Research Center, Tokyo Institute of Technology, Yokohama Kanagawa, 225-8503, Japan","institution_ids":["https://openalex.org/I114531698"]},{"raw_affiliation_string":"Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama Kanagawa, 226-8503, Japan","institution_ids":["https://openalex.org/I114531698","https://openalex.org/I4405286850"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5108260470"],"corresponding_institution_ids":["https://openalex.org/I4405286105","https://openalex.org/I98285908"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":null,"fwci":0.3186,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.54309646,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"63","issue":"3","first_page":"477","last_page":"480"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.8461999893188477,"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"}},"topics":[{"id":"https://openalex.org/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.8461999893188477,"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/T10413","display_name":"High-pressure geophysics and materials","score":0.07819999754428864,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11766","display_name":"Iron-based superconductors research","score":0.015399999916553497,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/inorganic-electrides","display_name":"inorganic electrides","score":0.8109999895095825},{"id":"https://openalex.org/keywords/high-pressure-superconductivity","display_name":"high-pressure superconductivity","score":0.824999988079071},{"id":"https://openalex.org/keywords/superconducting-transition-temperature","display_name":"superconducting transition temperature","score":0.9599999785423279},{"id":"https://openalex.org/keywords/upper-critical-field","display_name":"upper critical field","score":0.9309999942779541},{"id":"https://openalex.org/keywords/density-of-states","display_name":"density of states","score":0.7139999866485596},{"id":"https://openalex.org/keywords/cage-structure","display_name":"cage structure","score":0.824999988079071},{"id":"https://openalex.org/keywords/electron-phonon-coupling","display_name":"electron-phonon coupling","score":0.9259999990463257},{"id":"https://openalex.org/keywords/ac-susceptibility","display_name":"ac susceptibility","score":0.6029999852180481},{"id":"https://openalex.org/keywords/pressure-dependence","display_name":"pressure dependence","score":0.5289999842643738}],"concepts":[{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.8936675190925598},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.7888702154159546},{"id":"https://openalex.org/C143895478","wikidata":"https://www.wikidata.org/wiki/Q789775","display_name":"Ambient pressure","level":2,"score":0.5972927212715149},{"id":"https://openalex.org/C53964469","wikidata":"https://www.wikidata.org/wiki/Q230895","display_name":"Density of states","level":2,"score":0.5641381144523621},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5466679334640503},{"id":"https://openalex.org/C2989555556","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconducting transition temperature","level":3,"score":0.4506608545780182},{"id":"https://openalex.org/C40636707","wikidata":"https://www.wikidata.org/wiki/Q13633683","display_name":"Fermi level","level":3,"score":0.4490962624549866},{"id":"https://openalex.org/C48496998","wikidata":"https://www.wikidata.org/wiki/Q5186713","display_name":"Critical field","level":3,"score":0.4300183057785034},{"id":"https://openalex.org/C2984729377","wikidata":"https://www.wikidata.org/wiki/Q5757669","display_name":"High pressure","level":2,"score":0.41917771100997925},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.29041141271591187},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.184676855802536},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.10653552412986755},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3938/jkps.63.477","doi":"https://doi.org/10.3938/jkps.63.477","is_oa":false,"landing_page_url":"https://doi.org/10.3938/jkps.63.477","pdf_url":null,"source":{"id":"https://openalex.org/S28330355","display_name":"Journal of the Korean Physical Society","issn_l":"0374-4884","issn":["0374-4884","1976-8524"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","kci-registered","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Korean Physical Society","raw_type":"journal-article"},{"id":"pmh:oai:irdb.nii.ac.jp:00897:0004072271","doi":null,"is_oa":false,"landing_page_url":"http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100666285","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of the Korean Physical Society","raw_type":"journal article"},{"id":"pmh:oai:t2r2.star.titech.ac.jp:50230124","doi":null,"is_oa":false,"landing_page_url":"http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100666285","pdf_url":null,"source":{"id":"https://openalex.org/S4377196385","display_name":"Tokyo Tech Research Repository (Tokyo Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114531698","host_organization_name":"Tokyo Institute of Technology","host_organization_lineage":["https://openalex.org/I114531698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G8034510691","display_name":"Thermodynamical investigation of pressure-temperature phase diagram of oxygen","funder_award_id":"23740271","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320334789","display_name":"Japan Science and Technology Agency","ror":"https://ror.org/00097mb19"},{"id":"https://openalex.org/F4320337394","display_name":"Division of Engineering Education and Centers","ror":"https://ror.org/050rnw378"},{"id":"https://openalex.org/F4320338124","display_name":"Strategic International Collaborative Research Program","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1641198512","https://openalex.org/W1964403765","https://openalex.org/W1972208790","https://openalex.org/W1972495571","https://openalex.org/W1972530780","https://openalex.org/W2014437371","https://openalex.org/W2028959265","https://openalex.org/W2040915519","https://openalex.org/W2046999548","https://openalex.org/W2053241105","https://openalex.org/W2078221824","https://openalex.org/W2600169728","https://openalex.org/W2963486570"],"related_works":["https://openalex.org/W1972495571","https://openalex.org/W1980771941","https://openalex.org/W4229083037","https://openalex.org/W2078221824","https://openalex.org/W7139941128","https://openalex.org/W2109589428","https://openalex.org/W4403213631","https://openalex.org/W3139486462","https://openalex.org/W4391127040","https://openalex.org/W2042271017"],"abstract_inverted_index":{"We":[0],"present":[1],"the":[2,5,9,12,20,28,32,38,46,86,106,110,123],"results":[3],"of":[4,8,11,34,88,112,122,125],"pressure":[6,60,115],"dependence":[7],"superconductivity":[10,100],"inorganic":[13],"electride":[14],"12CaO\u00b77Al2O3:e\u2212":[15],"(C12A7:e\u2212)":[16],"single":[17],"crystal":[18],"through":[19],"ac-susceptibility":[21],"measurement":[22],"under":[23,96],"high":[24,97],"pressure.":[25,98],"C12A7:e\u2212":[26,102],"has":[27],"cage":[29,126],"structure":[30,121],"and":[31,61,77,109],"density":[33,87],"states":[35,89],"derived":[36],"from":[37,118],"cages":[39],"may":[40,116],"play":[41],"an":[42],"important":[43],"role":[44],"in":[45,83,101],"superconductivity.":[47],"The":[48,71,99],"superconducting":[49],"transition":[50],"temperature":[51],"(T":[52],"c)":[53],"is":[54,103],"\u223c":[55],"0.2":[56],"K":[57,67],"at":[58,68,80,91],"ambient":[59],"monotonically":[62],"increases":[63],"up":[64],"to":[65,85],"1.79":[66],"4.7":[69],"GPa.":[70],"upper":[72],"critical":[73],"field":[74],"H":[75],"c2":[76],"\u2212dH":[78],"c2/dT":[79],"T":[81],"c,":[82],"proportion":[84],"(DOS)":[90],"Fermi":[92],"energy":[93],"becomes":[94],"larger":[95],"mediated":[104],"by":[105],"electron-phonon":[107],"interaction,":[108],"increase":[111],"Tc":[113],"with":[114],"arise":[117],"a":[119],"peak":[120],"DOS":[124],"conduction":[127],"band.":[128]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}