{"id":"https://openalex.org/W4392580287","doi":"https://doi.org/10.1016/j.sciaf.2024.e02150","title":"Comparative study of low magnetic field effects in finger-finger and finger-split gate single electron pumps","display_name":"Comparative study of low magnetic field effects in finger-finger and finger-split gate single electron pumps","publication_year":2024,"publication_date":"2024-03-08","ids":{"openalex":"https://openalex.org/W4392580287","doi":"https://doi.org/10.1016/j.sciaf.2024.e02150"},"language":"en","primary_location":{"id":"doi:10.1016/j.sciaf.2024.e02150","doi":"https://doi.org/10.1016/j.sciaf.2024.e02150","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sciaf.2024.e02150","pdf_url":null,"source":{"id":"https://openalex.org/S4210198261","display_name":"Scientific African","issn_l":"2468-2276","issn":["2468-2276"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific African","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1016/j.sciaf.2024.e02150","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001798394","display_name":"N. Hanief","orcid":"https://orcid.org/0009-0000-7914-2850","observed_orcids":["https://orcid.org/0009-0000-7914-2850"]},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"N. Hanief","raw_affiliation_strings":["Department of Physics, University of Cape Town, Rondebosch 7700, South Africa","Electron Microscope Unit, University of Cape Town, Rondebosch 7700, South Africa"],"raw_orcid":"https://orcid.org/0009-0000-7914-2850","affiliations":[{"raw_affiliation_string":"Department of Physics, University of Cape Town, Rondebosch 7700, South Africa","institution_ids":["https://openalex.org/I157614274"]},{"raw_affiliation_string":"Electron Microscope Unit, University of Cape Town, Rondebosch 7700, South Africa","institution_ids":["https://openalex.org/I157614274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015778493","display_name":"M. D. Blumenthal","orcid":"https://orcid.org/0000-0002-1410-1860","observed_orcids":["https://orcid.org/0000-0002-1410-1860"]},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"M.D. Blumenthal","raw_affiliation_strings":["Department of Physics, University of Cape Town, Rondebosch 7700, South Africa"],"raw_orcid":"https://orcid.org/0000-0002-1410-1860","affiliations":[{"raw_affiliation_string":"Department of Physics, University of Cape Town, Rondebosch 7700, South Africa","institution_ids":["https://openalex.org/I157614274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003441964","display_name":"Hume Howe","orcid":"https://orcid.org/0000-0002-6927-374X","observed_orcids":["https://orcid.org/0000-0002-6927-374X"]},"institutions":[{"id":"https://openalex.org/I2801237587","display_name":"London Centre for Nanotechnology","ror":"https://ror.org/04ptp8872","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2801237587"]},{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"H. Howe","raw_affiliation_strings":["University College London, London Centre for Nanotechnology and Department of EE, London WC1A 0AH, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College London, London Centre for Nanotechnology and Department of EE, London WC1A 0AH, United Kingdom","institution_ids":["https://openalex.org/I2801237587","https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089353953","display_name":"Harvey E. Beere","orcid":"https://orcid.org/0000-0001-5630-2321","observed_orcids":["https://orcid.org/0000-0001-5630-2321"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"H.E. Beere","raw_affiliation_strings":["Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055986631","display_name":"Thomas A. Mitchell","orcid":"https://orcid.org/0000-0001-8686-3226","observed_orcids":["https://orcid.org/0000-0001-8686-3226"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"T. Mitchell","raw_affiliation_strings":["Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038426159","display_name":"D. A. Ritchie","orcid":"https://orcid.org/0000-0002-9844-8350","observed_orcids":["https://orcid.org/0000-0002-9844-8350"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D.A. Ritchie","raw_affiliation_strings":["Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physics Department, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101648159","display_name":"M. Pepper","orcid":"https://orcid.org/0000-0003-3052-5425","observed_orcids":["https://orcid.org/0000-0003-3052-5425"]},"institutions":[{"id":"https://openalex.org/I2801237587","display_name":"London Centre for Nanotechnology","ror":"https://ror.org/04ptp8872","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2801237587"]},{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"M. Pepper","raw_affiliation_strings":["University College London, London Centre for Nanotechnology and Department of EE, London WC1A 0AH, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College London, London Centre for Nanotechnology and Department of EE, London WC1A 0AH, United Kingdom","institution_ids":["https://openalex.org/I2801237587","https://openalex.org/I45129253"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5001798394"],"corresponding_institution_ids":["https://openalex.org/I157614274"],"apc_list":{"value":510,"currency":"USD","value_usd":510},"apc_paid":{"value":510,"currency":"USD","value_usd":510},"fwci":0.1504,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.26566389,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"24","issue":null,"first_page":"e02150","last_page":"e02150"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10382","display_name":"Quantum and electron transport phenomena","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10382","display_name":"Quantum and electron transport phenomena","score":0.9994999766349792,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.0003000000142492354,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/single-electron-pump","display_name":"single-electron pump","score":0.8309999704360962},{"id":"https://openalex.org/keywords/split-gate","display_name":"split gate","score":0.8610000014305115},{"id":"https://openalex.org/keywords/quantum-dots","display_name":"quantum dots","score":0.8180000185966492},{"id":"https://openalex.org/keywords/superconducting-magnets","display_name":"superconducting magnets","score":0.8119999766349792}],"concepts":[{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.611285924911499},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.524075448513031},{"id":"https://openalex.org/C186116631","wikidata":"https://www.wikidata.org/wiki/Q899364","display_name":"Magnetic refrigeration","level":4,"score":0.48141929507255554},{"id":"https://openalex.org/C69907114","wikidata":"https://www.wikidata.org/wiki/Q747713","display_name":"Refrigeration","level":2,"score":0.42527562379837036},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4148474633693695},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4070656895637512},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.390813410282135},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3253582715988159},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16248473525047302},{"id":"https://openalex.org/C32546565","wikidata":"https://www.wikidata.org/wiki/Q856711","display_name":"Magnetization","level":3,"score":0.08758965134620667},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0791507363319397},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0664110779762268}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/j.sciaf.2024.e02150","doi":"https://doi.org/10.1016/j.sciaf.2024.e02150","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sciaf.2024.e02150","pdf_url":null,"source":{"id":"https://openalex.org/S4210198261","display_name":"Scientific African","issn_l":"2468-2276","issn":["2468-2276"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific African","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:05745570b7244402990bd4ad7b5fad47","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/05745570b7244402990bd4ad7b5fad47","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scientific African, Vol 24, Iss , Pp e02150- (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1016/j.sciaf.2024.e02150","doi":"https://doi.org/10.1016/j.sciaf.2024.e02150","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.sciaf.2024.e02150","pdf_url":null,"source":{"id":"https://openalex.org/S4210198261","display_name":"Scientific African","issn_l":"2468-2276","issn":["2468-2276"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific African","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1969892324","https://openalex.org/W1980705720","https://openalex.org/W1998246386","https://openalex.org/W1999777424","https://openalex.org/W2001315329","https://openalex.org/W2003731649","https://openalex.org/W2004363682","https://openalex.org/W2016826363","https://openalex.org/W2024592255","https://openalex.org/W2032117304","https://openalex.org/W2052787959","https://openalex.org/W2060626017","https://openalex.org/W2062906266","https://openalex.org/W2091924719","https://openalex.org/W2148492330","https://openalex.org/W2264872332","https://openalex.org/W2472415459","https://openalex.org/W2605077168","https://openalex.org/W2785290892","https://openalex.org/W2790704720","https://openalex.org/W2963619334","https://openalex.org/W3097997903","https://openalex.org/W3207797737","https://openalex.org/W6673266894"],"related_works":["https://openalex.org/W4412848220","https://openalex.org/W2511485508","https://openalex.org/W3135068752","https://openalex.org/W2970014383","https://openalex.org/W2093701353","https://openalex.org/W2069660801","https://openalex.org/W2032117304","https://openalex.org/W2899110676","https://openalex.org/W2324858333","https://openalex.org/W2790704720"],"abstract_inverted_index":{"Single":[0],"Electron":[1],"Pump":[2],"(SEP)":[3],"devices":[4],"that":[5],"can":[6,25,51,140],"deliver":[7],"single":[8,59],"electrons":[9],"at":[10],"high":[11],"frequencies":[12],"are":[13],"fabricated":[14],"using":[15,29],"two":[16,30,155],"different":[17,138,156],"gate":[18,61],"geometries.":[19],"The":[20],"pump":[21,35,67,108],"quantum":[22],"dot":[23],"(QD)":[24],"be":[26,52,141],"defined":[27],"either":[28],"finger":[31,60],"gates":[32],"where":[33,65],"the":[34,42,49,55,66,70,82,87,102,105,122,131,137,148,151,154],"operates":[36,68],"in":[37,69,80,114,136,147,153],"what":[38],"is":[39],"known":[40],"as":[41],"conventional":[43],"pumping":[44,72,157],"regime":[45,73],"(CPR),":[46],"or":[47],"alternatively,":[48],"QD":[50],"designed":[53],"with":[54,121],"use":[56,123],"of":[57,89,104,124,133,150],"a":[58,90,115,125,144],"and":[62,84,99,107],"split":[63],"gate,":[64],"long":[71],"(LPR).":[74],"Here":[75],"we":[76],"investigate":[77],"pump-maps":[78],"produced":[79],"both":[81,101],"CPR":[83],"LPR":[85],"under":[86],"effects":[88],"low":[91],"magnetic":[92],"field":[93],"(1":[94],"T":[95],"to":[96],"-1":[97],"T)":[98],"observe":[100],"evolution":[103],"pump-map":[106],"accuracy.":[109],"Measurements":[110],"were":[111],"carried":[112],"out":[113],"cryogen":[116],"free":[117],"dilution":[118],"refrigeration":[119],"system":[120],"superconducting":[126],"magnetic.":[127],"Clear":[128],"discrepancies":[129],"between":[130],"behaviour":[132],"Med":[134],"current":[135],"regimes":[139],"seen":[142],"indicating":[143],"fundamental":[145],"difference":[146],"operation":[149],"pumps":[152],"regimes.":[158]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2024-03-09T00:00:00"}
