{"id":"https://openalex.org/W2020108858","doi":"https://doi.org/10.1103/physrev.107.687","title":"Photoelectric Emission from Barium Oxide","display_name":"Photoelectric Emission from Barium Oxide","publication_year":1957,"publication_date":"1957-08-01","ids":{"openalex":"https://openalex.org/W2020108858","doi":"https://doi.org/10.1103/physrev.107.687","mag":"2020108858"},"language":"en","primary_location":{"id":"doi:10.1103/physrev.107.687","doi":"https://doi.org/10.1103/physrev.107.687","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrev.107.687","pdf_url":null,"source":{"id":"https://openalex.org/S54862371","display_name":"Physical Review","issn_l":"0031-899X","issn":["0031-899X","1536-6065"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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","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/A5112355475","display_name":"Herbert R. Philipp","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I76835614","display_name":"University of Missouri","ror":"https://ror.org/02ymw8z06","country_code":"US","type":"education","lineage":["https://openalex.org/I76835614"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Herbert R. Philipp","raw_affiliation_strings":["Department of Physics, University of Missouri, Columbia, Missouri"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Missouri, Columbia, Missouri","institution_ids":["https://openalex.org/I76835614"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5112355475"],"corresponding_institution_ids":["https://openalex.org/I76835614"],"apc_list":null,"apc_paid":null,"fwci":9.1136,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.96803653,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"107","issue":"3","first_page":"687","last_page":"693"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13418","display_name":"Photocathodes and Microchannel Plates","score":0.9175000190734863,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T13418","display_name":"Photocathodes and Microchannel Plates","score":0.9175000190734863,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","score":0.06560000032186508,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","score":0.005799999926239252,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/photoemission","display_name":"photoemission","score":0.9319999814033508},{"id":"https://openalex.org/keywords/barium-oxide","display_name":"barium oxide","score":1.0},{"id":"https://openalex.org/keywords/electron-energy-distribution-function","display_name":"electron energy distribution","score":0.7319999933242798},{"id":"https://openalex.org/keywords/impurity-ionization","display_name":"impurity ionization","score":0.6869999766349792},{"id":"https://openalex.org/keywords/alkali-halides","display_name":"alkali halides","score":0.8259999752044678},{"id":"https://openalex.org/keywords/sprayed-coatings","display_name":"sprayed coatings","score":0.6489999890327454}],"concepts":[{"id":"https://openalex.org/C143979616","wikidata":"https://www.wikidata.org/wiki/Q215259","display_name":"Thermionic emission","level":3,"score":0.8268270492553711},{"id":"https://openalex.org/C71570822","wikidata":"https://www.wikidata.org/wiki/Q83213","display_name":"Photoelectric effect","level":2,"score":0.8188304305076599},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.7338703870773315},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.6719609498977661},{"id":"https://openalex.org/C198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","level":3,"score":0.5636460781097412},{"id":"https://openalex.org/C542576722","wikidata":"https://www.wikidata.org/wiki/Q1112","display_name":"Barium","level":2,"score":0.5632545351982117},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.47667765617370605},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4008641242980957},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.11764758825302124},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11563298106193542},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.11263802647590637},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1103/physrev.107.687","doi":"https://doi.org/10.1103/physrev.107.687","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrev.107.687","pdf_url":null,"source":{"id":"https://openalex.org/S54862371","display_name":"Physical Review","issn_l":"0031-899X","issn":["0031-899X","1536-6065"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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","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":16,"referenced_works":["https://openalex.org/W1968919966","https://openalex.org/W1970087433","https://openalex.org/W1983553255","https://openalex.org/W1983616312","https://openalex.org/W1991403413","https://openalex.org/W2005412831","https://openalex.org/W2007008273","https://openalex.org/W2017771903","https://openalex.org/W2022792402","https://openalex.org/W2023589332","https://openalex.org/W2023815266","https://openalex.org/W2072859751","https://openalex.org/W2073639478","https://openalex.org/W2078690752","https://openalex.org/W2088247477","https://openalex.org/W4210957215"],"related_works":["https://openalex.org/W1983553255","https://openalex.org/W2089671597","https://openalex.org/W2023407471","https://openalex.org/W2005412831","https://openalex.org/W2090751434","https://openalex.org/W2023589332","https://openalex.org/W1988407331","https://openalex.org/W3084521961","https://openalex.org/W4243258926","https://openalex.org/W3118580758"],"abstract_inverted_index":{"Photoelectric":[0],"emission":[1,38,72,101],"measurements":[2],"were":[3],"made":[4],"on":[5],"sprayed":[6],"coatings":[7],"of":[8,13,32,64,82],"BaO":[9],"in":[10,131],"several":[11],"states":[12],"thermionic":[14],"activity":[15],"and":[16,39,123],"at":[17,28,42,73,111],"different":[18],"temperatures.":[19],"The":[20,67],"yield":[21],"from":[22,49,79],"active":[23],"cathodes":[24],"shows":[25],"a":[26,29,104],"rise":[27,41],"quantum":[30,75,97],"energy":[31,62,106],"3.8":[33],"ev":[34,44,89],"ascribed":[35],"to":[36,46,59,126],"exciton-induced":[37,100],"another":[40],"5":[43],"attributed":[45],"electrons":[47],"ejected":[48],"the":[50,61,71,91,127,132],"filled":[51],"band.":[52],"A":[53],"magnetic":[54],"velocity":[55],"analyzer":[56],"was":[57],"used":[58],"determine":[60],"distribution":[63,107,129],"emitted":[65],"electrons.":[66],"data":[68],"indicate":[69],"that":[70],"low":[74,113],"energies":[76],"arises":[77],"primarily":[78],"direct":[80],"ionization":[81],"impurity":[83],"levels":[84],"located":[85],"photoelectrically":[86],"about":[87],"2":[88],"below":[90],"vacuum":[92],"level.":[93],"For":[94],"higher":[95],"incident":[96],"energies,":[98],"where":[99],"is":[102,124],"expected,":[103],"new":[105],"appears":[108],"which":[109],"peaks":[110],"very":[112],"energy.":[114],"This":[115],"peak":[116],"does":[117],"not":[118],"shift":[119],"with":[120],"increasing":[121],"$h\\ensuremath{\\nu}$":[122],"similar":[125],"slow-group":[128],"observed":[130],"alkali":[133],"halides.":[134]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-08-19T15:00:24.278416","created_date":"2016-06-24T00:00:00"}