{"id":"https://openalex.org/W3186662435","doi":"https://doi.org/10.23919/vlsicircuits52068.2021.9492449","title":"Buried nanomagnet realizing high-speed/low-variability silicon spin qubits: implementable in error-correctable large-scale quantum computers","display_name":"Buried nanomagnet realizing high-speed/low-variability silicon spin qubits: implementable in error-correctable large-scale quantum computers","publication_year":2021,"publication_date":"2021-06-13","ids":{"openalex":"https://openalex.org/W3186662435","doi":"https://doi.org/10.23919/vlsicircuits52068.2021.9492449","mag":"3186662435"},"language":"en","primary_location":{"id":"doi:10.23919/vlsicircuits52068.2021.9492449","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsicircuits52068.2021.9492449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Symposium on VLSI Circuits","raw_type":"proceedings-article"},"type":"article","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/A5022259464","display_name":"Shota Iizuka","orcid":"https://orcid.org/0000-0002-1461-4789"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shota Iizuka","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058799002","display_name":"Kimihiko Kato","orcid":"https://orcid.org/0000-0002-7117-0838"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kimihiko Kato","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041113216","display_name":"Atsushi Yagishita","orcid":"https://orcid.org/0000-0001-7057-7647"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Yagishita","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103256459","display_name":"Hidehiro Asai","orcid":"https://orcid.org/0000-0003-1123-4630"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hidehiro Asai","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081188479","display_name":"Tetsuya Ueda","orcid":"https://orcid.org/0000-0001-5918-3938"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuya Ueda","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054327930","display_name":"Hiroshi Oka","orcid":"https://orcid.org/0000-0002-6571-3461"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Oka","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077489388","display_name":"Junichi Hattori","orcid":"https://orcid.org/0000-0002-7528-7435"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Junichi Hattori","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004964792","display_name":"Tsutomu Ikegami","orcid":"https://orcid.org/0000-0003-2977-6390"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tsutomu Ikegami","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050943385","display_name":"Koichi Fukuda","orcid":"https://orcid.org/0000-0002-3148-6010"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichi Fukuda","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081968742","display_name":"Takahiro Mori","orcid":"https://orcid.org/0000-0001-5899-1060"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takahiro Mori","raw_affiliation_strings":["National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I73613424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5022259464"],"corresponding_institution_ids":["https://openalex.org/I73613424"],"apc_list":null,"apc_paid":null,"fwci":0.4507,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.63390814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"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/T10049","display_name":"Magnetic properties of thin films","score":0.998199999332428,"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","score":0.9980999827384949,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/nanomagnet","display_name":"Nanomagnet","score":0.9122520089149475},{"id":"https://openalex.org/keywords/qubit","display_name":"Qubit","score":0.8287709355354309},{"id":"https://openalex.org/keywords/quantum-computer","display_name":"Quantum computer","score":0.6446629762649536},{"id":"https://openalex.org/keywords/spin","display_name":"Spin (aerodynamics)","score":0.6074002981185913},{"id":"https://openalex.org/keywords/fidelity","display_name":"Fidelity","score":0.5411692261695862},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4946269690990448},{"id":"https://openalex.org/keywords/quantum-entanglement","display_name":"Quantum entanglement","score":0.48999491333961487},{"id":"https://openalex.org/keywords/silicon","display_name":"Silicon","score":0.4566875696182251},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.44568219780921936},{"id":"https://openalex.org/keywords/quantum-dot","display_name":"Quantum dot","score":0.41582614183425903},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4005817472934723},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3839890956878662},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.3177551031112671},{"id":"https://openalex.org/keywords/magnetic-field","display_name":"Magnetic field","score":0.2103850245475769},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.20956209301948547},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.184520423412323},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11008787155151367}],"concepts":[{"id":"https://openalex.org/C131872197","wikidata":"https://www.wikidata.org/wiki/Q3870157","display_name":"Nanomagnet","level":4,"score":0.9122520089149475},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.8287709355354309},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.6446629762649536},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.6074002981185913},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.5411692261695862},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4946269690990448},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.48999491333961487},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.4566875696182251},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.44568219780921936},{"id":"https://openalex.org/C124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","level":2,"score":0.41582614183425903},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4005817472934723},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3839890956878662},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3177551031112671},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.2103850245475769},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.20956209301948547},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.184520423412323},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11008787155151367},{"id":"https://openalex.org/C32546565","wikidata":"https://www.wikidata.org/wiki/Q856711","display_name":"Magnetization","level":3,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/vlsicircuits52068.2021.9492449","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsicircuits52068.2021.9492449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 Symposium on VLSI Circuits","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2162381150","https://openalex.org/W2166805649","https://openalex.org/W2915746079","https://openalex.org/W3017714432"],"related_works":["https://openalex.org/W2320531805","https://openalex.org/W4200627911","https://openalex.org/W1971684003","https://openalex.org/W2068194975","https://openalex.org/W2763237164","https://openalex.org/W2308186793","https://openalex.org/W4312122043","https://openalex.org/W4361287567","https://openalex.org/W2951363717","https://openalex.org/W2134613344"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,37,89],"buried":[3,14],"nanomagnet":[4],"(BNM)":[5],"realizing":[6],"high-speed/low-variability":[7],"silicon":[8],"spin":[9,38],"qubit":[10,91],"operation,":[11],"inspired":[12],"by":[13,30],"wiring":[15],"technology,":[16],"for":[17,83],"the":[18,31,46,56,77,96],"first":[19],"time.":[20],"High-speed":[21],"quantum-gate":[22],"operation":[23],"results":[24],"from":[25],"large":[26],"slanting":[27],"magnetic-field":[28],"generated":[29],"BNM":[32,57,79],"disposed":[33],"quite":[34],"close":[35],"to":[36,45,98],"qubit,":[39],"and":[40,69],"low-variation":[41],"of":[42],"fidelity":[43,71],"thanks":[44],"self-aligned":[47],"fabrication":[48],"process.":[49],"Employing":[50],"TCAD-based":[51],"simulation,":[52],"we":[53],"demonstrate":[54],"that":[55],"realizes":[58],"10":[59],"times":[60],"faster":[61],"Rabi":[62],"oscillation":[63],"(faster":[64],"spin-flip)":[65],"than":[66],"previous":[67],"works":[68],">99%":[70],"under":[72],"certain":[73],"process":[74],"variations.":[75],"Also,":[76],"proposed":[78],"arrangement":[80],"is":[81],"implementable":[82],"error-correctable":[84],"large-scale":[85,100],"quantum":[86,101],"computers":[87,102],"employing":[88],"2D-latticed":[90],"layout.":[92],"This":[93],"technology":[94],"paves":[95],"way":[97],"practical":[99],"with":[103],"silicon.":[104]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
