{"id":"https://openalex.org/W2067775657","doi":"https://doi.org/10.1038/121091a0","title":"A Dark Space in High-frequency Discharges","display_name":"A Dark Space in High-frequency Discharges","publication_year":1928,"publication_date":"1928-01-21","ids":{"openalex":"https://openalex.org/W2067775657","doi":"https://doi.org/10.1038/121091a0","mag":"2067775657"},"language":"en","primary_location":{"id":"doi:10.1038/121091a0","doi":"https://doi.org/10.1038/121091a0","is_oa":false,"landing_page_url":"https://doi.org/10.1038/121091a0","pdf_url":null,"source":{"id":"https://openalex.org/S137773608","display_name":"Nature","issn_l":"0028-0836","issn":["0028-0836","1476-4687"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nature","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/A5112655755","display_name":"Sinclair Smith","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210138902","display_name":"Mount Wilson Observatory","ror":"https://ror.org/03xvqcz58","country_code":"US","type":"archive","lineage":["https://openalex.org/I4210138902"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"SINCLAIR SMITH","raw_affiliation_strings":["Mount Wilson Observatory,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mount Wilson Observatory,","institution_ids":["https://openalex.org/I4210138902"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5112655755"],"corresponding_institution_ids":["https://openalex.org/I4210138902"],"apc_list":{"value":12690,"currency":"USD","value_usd":12690},"apc_paid":null,"fwci":2.8163,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.8880829,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"121","issue":"3038","first_page":"91","last_page":"91"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10781","display_name":"Low-Pressure Plasma Processing and Diagnostics","score":0.6205999851226807,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10781","display_name":"Low-Pressure Plasma Processing and Diagnostics","score":0.6205999851226807,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12077","display_name":"Vacuum and Plasma Arcs","score":0.2890999913215637,"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"}},{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","score":0.035599999129772186,"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/high-frequency-discharge","display_name":"high-frequency discharge","score":0.7440000176429749},{"id":"https://openalex.org/keywords/glow-discharge","display_name":"glow discharge","score":0.8500000238418579},{"id":"https://openalex.org/keywords/vacuum-tubes","display_name":"vacuum tubes","score":0.8399999737739563},{"id":"https://openalex.org/keywords/reduced-pressure","display_name":"low pressure","score":0.5360000133514404},{"id":"https://openalex.org/keywords/alternating-current-excitation","display_name":"alternating current excitation","score":0.7110000252723694},{"id":"https://openalex.org/keywords/dark-space","display_name":"dark space","score":0.5019999742507935}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5706238746643066},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4959920346736908},{"id":"https://openalex.org/C2776595061","wikidata":"https://www.wikidata.org/wiki/Q1427934","display_name":"Glow discharge","level":3,"score":0.4570044279098511},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.4018150269985199},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.37932834029197693},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3269837498664856},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.15764376521110535},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.14316055178642273},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.1012970507144928},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1038/121091a0","doi":"https://doi.org/10.1038/121091a0","is_oa":false,"landing_page_url":"https://doi.org/10.1038/121091a0","pdf_url":null,"source":{"id":"https://openalex.org/S137773608","display_name":"Nature","issn_l":"0028-0836","issn":["0028-0836","1476-4687"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nature","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2054799637","https://openalex.org/W2082140440","https://openalex.org/W2064790440","https://openalex.org/W4206801802","https://openalex.org/W3137292096","https://openalex.org/W4205887895","https://openalex.org/W2004765816","https://openalex.org/W4256224626","https://openalex.org/W4236083908","https://openalex.org/W4248305100"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-17T22:18:28.273824","created_date":"2016-06-24T00:00:00"}