{"id":"https://openalex.org/W23002164","doi":"https://doi.org/10.1103/physrevb.36.3994","title":"Positron annihilation in the high-temperature superconductor YBa2Cu3O6+\u03b4","display_name":"Positron annihilation in the high-temperature superconductor YBa2Cu3O6+\u03b4","publication_year":1987,"publication_date":"1987-09-01","ids":{"openalex":"https://openalex.org/W23002164","doi":"https://doi.org/10.1103/physrevb.36.3994","mag":"23002164","pmid":"https://pubmed.ncbi.nlm.nih.gov/9943361"},"language":"en","primary_location":{"id":"doi:10.1103/physrevb.36.3994","doi":"https://doi.org/10.1103/physrevb.36.3994","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevb.36.3994","pdf_url":null,"source":{"id":"https://openalex.org/S4210174675","display_name":"Physical review. B, Condensed matter","issn_l":"0163-1829","issn":["0163-1829","1095-3795"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","ki-jl-2"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review B","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"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/A5034059934","display_name":"Y. C. Jean","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Y. C. Jean","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007299048","display_name":"S. J. Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. J. Wang","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]}]},{"author_position":"middle","author":{"id":null,"display_name":"H. Nakanishi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. Nakanishi","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072371268","display_name":"W. N. Hardy","orcid":"https://orcid.org/0000-0001-8118-7687","observed_orcids":["https://orcid.org/0000-0001-8118-7687"]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"W. N. Hardy","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107466242","display_name":"M. E. Hayden","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"M. E. Hayden","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055420269","display_name":"R. F. Kiefl","orcid":"https://orcid.org/0000-0002-9716-3433","observed_orcids":["https://orcid.org/0000-0002-9716-3433"]},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"R. F. Kiefl","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada V6T 1W5","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067558637","display_name":"R. L. Meng","orcid":"https://orcid.org/0000-0002-9819-8021","observed_orcids":["https://orcid.org/0000-0002-9819-8021"]},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. L. Meng","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036034569","display_name":"H. P. Hor","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. P. Hor","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013036523","display_name":"Junzi Huang","orcid":"https://orcid.org/0000-0002-1508-2200","observed_orcids":["https://orcid.org/0000-0002-1508-2200"]},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Z. Huang","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049350576","display_name":"C. W. Chu","orcid":"https://orcid.org/0000-0003-3955-7095","observed_orcids":["https://orcid.org/0000-0003-3955-7095"]},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. W. Chu","raw_affiliation_strings":["Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri-Kansas City, Kansas City, Missouri 64110","institution_ids":["https://openalex.org/I75421653"]},{"raw_affiliation_string":"Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004","institution_ids":["https://openalex.org/I44461941"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.9086,"has_fulltext":false,"cited_by_count":125,"citation_normalized_percentile":{"value":0.97632599,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"36","issue":"7","first_page":"3994","last_page":"3996"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12579","display_name":"Muon and positron interactions and applications","score":0.9911999702453613,"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/T12579","display_name":"Muon and positron interactions and applications","score":0.9911999702453613,"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/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.008500000461935997,"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/T11766","display_name":"Iron-based superconductors research","score":0.0,"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/positron-annihilation","display_name":"positron annihilation","score":0.9440000057220459},{"id":"https://openalex.org/keywords/yba2cu3o7-delta","display_name":"YBa2Cu3O7-\u03b4","score":0.9700000286102295},{"id":"https://openalex.org/keywords/high-temperature-superconductors","display_name":"high-temperature superconductors","score":0.9340000152587891},{"id":"https://openalex.org/keywords/positron-lifetime","display_name":"positron lifetime","score":0.8830000162124634},{"id":"https://openalex.org/keywords/doppler-broadening","display_name":"Doppler broadening","score":0.9430000185966492},{"id":"https://openalex.org/keywords/oxygen-vacancies","display_name":"oxygen vacancies","score":0.847000002861023},{"id":"https://openalex.org/keywords/electronic-structure","display_name":"electronic structure","score":0.7720000147819519},{"id":"https://openalex.org/keywords/superconducting-critical-temperature","display_name":"superconducting critical temperature","score":0.9139999747276306},{"id":"https://openalex.org/keywords/oxygen-concentration","display_name":"oxygen concentration","score":0.32600000500679016}],"concepts":[{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.6271297931671143},{"id":"https://openalex.org/C201941533","wikidata":"https://www.wikidata.org/wiki/Q188721","display_name":"Annihilation","level":2,"score":0.5677345991134644},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5624902844429016},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.4188779592514038},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.3596641421318054},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3455643057823181},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.2786747217178345}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1103/physrevb.36.3994","doi":"https://doi.org/10.1103/physrevb.36.3994","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevb.36.3994","pdf_url":null,"source":{"id":"https://openalex.org/S4210174675","display_name":"Physical review. B, Condensed matter","issn_l":"0163-1829","issn":["0163-1829","1095-3795"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","ki-jl-2"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review B","raw_type":"journal-article"},{"id":"pmid:9943361","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9943361","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical review. B, Condensed matter","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1966948675","https://openalex.org/W1978335525","https://openalex.org/W1979086439","https://openalex.org/W1979187774","https://openalex.org/W1987119738","https://openalex.org/W1989992354","https://openalex.org/W2001243737","https://openalex.org/W2013290470","https://openalex.org/W2014578920","https://openalex.org/W2025497375","https://openalex.org/W2031406307","https://openalex.org/W2032551484","https://openalex.org/W2041145557","https://openalex.org/W2047463077","https://openalex.org/W2059584504","https://openalex.org/W2067495089","https://openalex.org/W2073746703","https://openalex.org/W2086238347","https://openalex.org/W2118811163","https://openalex.org/W4211057283"],"related_works":["https://openalex.org/W38837810","https://openalex.org/W2062273249","https://openalex.org/W2031956399","https://openalex.org/W1528889009","https://openalex.org/W2059480776","https://openalex.org/W2069558104","https://openalex.org/W2001605139","https://openalex.org/W1973528428","https://openalex.org/W2067012766","https://openalex.org/W2370104616"],"abstract_inverted_index":{"Positron-annihilation":[0],"lifetime":[1,27],"and":[2,21,28,69],"Doppler":[3,29],"broadening":[4],"energy":[5],"spectra":[6],"have":[7],"been":[8],"measured":[9],"in":[10,49],"high-temperature":[11],"superconductors":[12],"$\\mathrm{Y}{\\mathrm{Ba}}_{2}{\\mathrm{Cu}}_{3}{\\mathrm{O}}_{6+\\ensuremath{\\delta}}$":[13],"as":[14],"a":[15,50,56],"function":[16],"of":[17],"temperature":[18,41],"between":[19],"10":[20],"293":[22],"K.":[23],"The":[24],"observed":[25],"positron":[26],"boradening":[30],"$S$":[31],"parameter":[32],"show":[33],"an":[34,74],"onset":[35],"increase":[36],"near":[37],"the":[38,66],"superconducting":[39],"critical":[40],"(${T}_{c}=90$":[42],"K).":[43],"This":[44],"variation":[45],"does":[46],"not":[47],"exist":[48],"similar":[51],"nonsuperconducting":[52],"sample":[53],"that":[54,65],"contains":[55],"saturated":[57],"oxygen":[58,67],"vacancy":[59,68],"content.":[60],"These":[61],"results":[62],"give":[63],"evidence":[64],"electronic":[70],"structure":[71],"change":[72],"play":[73],"important":[75],"role":[76],"for":[77],"high-${T}_{c}$":[78],"superconductivity.":[79]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2016-06-24T00:00:00"}
