{"id":"https://openalex.org/W7204889782","doi":"https://doi.org/10.48550/arxiv.2608.29771","title":"Magnetic contacts on freestanding superconducting LaAlO$_3$/SrTiO$_3$ micromembranes","display_name":"Magnetic contacts on freestanding superconducting LaAlO$_3$/SrTiO$_3$ micromembranes","publication_year":2026,"publication_date":"2026-08-30","ids":{"openalex":"https://openalex.org/W7204889782","doi":"https://doi.org/10.48550/arxiv.2608.29771"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2608.29771","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.29771","pdf_url":"https://arxiv.org/pdf/2608.29771","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2608.29771","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056711308","display_name":"Thies Jansen","orcid":"https://orcid.org/0000-0003-4545-2185","observed_orcids":["https://orcid.org/0000-0003-4545-2185"]},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Jansen, Thies","raw_affiliation_strings":["Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark","institution_ids":["https://openalex.org/I96673099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123504589","display_name":"Pinelopi O. Konstantinopoulou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Konstantinopoulou, Pinelopi","raw_affiliation_strings":["Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark","institution_ids":["https://openalex.org/I96673099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133775503","display_name":"Niklas Martin","orcid":"https://orcid.org/0009-0008-5965-518X","observed_orcids":["https://orcid.org/0009-0008-5965-518X"]},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Martin, Niklas","raw_affiliation_strings":["Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark","institution_ids":["https://openalex.org/I96673099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009953624","display_name":"F. Miletto Granozio","orcid":"https://orcid.org/0000-0002-9417-7848","observed_orcids":["https://orcid.org/0000-0002-9417-7848"]},"institutions":[{"id":"https://openalex.org/I4210095637","display_name":"Superconducting and other Innovative Materials and Devices Institute","ror":"https://ror.org/00p03yg71","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210095637","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Granozio, Fabio Miletto","raw_affiliation_strings":["CNR-SPIN ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNR-SPIN ,","institution_ids":["https://openalex.org/I4210095637"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007611248","display_name":"A. Sambri","orcid":"https://orcid.org/0000-0003-1228-4226","observed_orcids":["https://orcid.org/0000-0003-1228-4226"]},"institutions":[{"id":"https://openalex.org/I4210095637","display_name":"Superconducting and other Innovative Materials and Devices Institute","ror":"https://ror.org/00p03yg71","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210095637","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sambri, Alessia","raw_affiliation_strings":["CNR-SPIN ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNR-SPIN ,","institution_ids":["https://openalex.org/I4210095637"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087676204","display_name":"Rasmus Bj\u00f8rk","orcid":"https://orcid.org/0000-0002-3728-2326","observed_orcids":["https://orcid.org/0000-0002-3728-2326"]},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Bj\u00f8rk, Rasmus","raw_affiliation_strings":["Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Lyngby , 310 , 2800 Denmark","institution_ids":["https://openalex.org/I96673099"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032473416","display_name":"Felix Trier","orcid":"https://orcid.org/0000-0003-0228-0635","observed_orcids":["https://orcid.org/0000-0003-0228-0635"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Trier, Felix","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5123475406","display_name":"Thomas S. Jespersen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I96673099","display_name":"Technical University of Denmark","ror":"https://ror.org/04qtj9h94","country_code":"DK","type":"education","lineage":["https://openalex.org/I96673099"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Jespersen, Thomas S.","raw_affiliation_strings":["Center for Quantum Devices , Niels Bohr Institute ,","Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Building , Lyngby , 310 , 2800 Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Quantum Devices , Niels Bohr Institute ,","institution_ids":[]},{"raw_affiliation_string":"Department of Energy Conversion and Storage , Technical University of Denmark , Fysikvej , Building , Lyngby , 310 , 2800 Denmark","institution_ids":["https://openalex.org/I96673099"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12588","display_name":"Electronic and Structural Properties of Oxides","score":0.961899995803833,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12588","display_name":"Electronic and Structural Properties of Oxides","score":0.961899995803833,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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/T10037","display_name":"Physics of Superconductivity and Magnetism","score":0.019999999552965164,"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/T10382","display_name":"Quantum and electron transport phenomena","score":0.005900000222027302,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/laalo3-srtio3-interface","display_name":"LaAlO3/SrTiO3 interface","score":0.984000027179718},{"id":"https://openalex.org/keywords/ferromagnetic-contacts","display_name":"ferromagnetic contacts","score":0.8880000114440918},{"id":"https://openalex.org/keywords/nickel-contacts","display_name":"nickel contacts","score":0.9710000157356262},{"id":"https://openalex.org/keywords/superconducting-spintronics","display_name":"superconducting spintronics","score":0.847000002861023},{"id":"https://openalex.org/keywords/spin-injection","display_name":"spin injection","score":0.5960000157356262},{"id":"https://openalex.org/keywords/oxide-superconductors","display_name":"oxide superconductors","score":0.8799999952316284},{"id":"https://openalex.org/keywords/complex-oxide-interfaces","display_name":"complex oxide interfaces","score":0.7609999775886536},{"id":"https://openalex.org/keywords/micromembranes","display_name":"micromembranes","score":0.718999981880188},{"id":"https://openalex.org/keywords/effective-magnetic-field","display_name":"effective magnetic field","score":0.7480000257492065}],"concepts":[{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.8791000247001648},{"id":"https://openalex.org/C82217956","wikidata":"https://www.wikidata.org/wiki/Q184207","display_name":"Ferromagnetism","level":2,"score":0.7547000050544739},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.7497000098228455},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6448000073432922},{"id":"https://openalex.org/C207999682","wikidata":"https://www.wikidata.org/wiki/Q258659","display_name":"Spintronics","level":3,"score":0.5667999982833862},{"id":"https://openalex.org/C2777953097","wikidata":"https://www.wikidata.org/wiki/Q7252868","display_name":"Proximity effect (electron beam lithography)","level":5,"score":0.5002999901771545},{"id":"https://openalex.org/C32546565","wikidata":"https://www.wikidata.org/wiki/Q856711","display_name":"Magnetization","level":3,"score":0.48080000281333923},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.46219998598098755},{"id":"https://openalex.org/C54999516","wikidata":"https://www.wikidata.org/wiki/Q915682","display_name":"Superconducting magnetic energy storage","level":4,"score":0.3716999888420105},{"id":"https://openalex.org/C504270822","wikidata":"https://www.wikidata.org/wiki/Q744","display_name":"Nickel","level":2,"score":0.33340001106262207},{"id":"https://openalex.org/C172108966","wikidata":"https://www.wikidata.org/wiki/Q120120","display_name":"Superconducting magnet","level":3,"score":0.3181999921798706},{"id":"https://openalex.org/C2779851234","wikidata":"https://www.wikidata.org/wiki/Q50690","display_name":"Oxide","level":2,"score":0.2924000024795532},{"id":"https://openalex.org/C42704618","wikidata":"https://www.wikidata.org/wiki/Q910917","display_name":"Spin (aerodynamics)","level":2,"score":0.2687000036239624},{"id":"https://openalex.org/C158101932","wikidata":"https://www.wikidata.org/wiki/Q7643173","display_name":"Superconducting electric machine","level":5,"score":0.2639000117778778},{"id":"https://openalex.org/C69990965","wikidata":"https://www.wikidata.org/wiki/Q65402698","display_name":"Electrical resistivity and conductivity","level":2,"score":0.25600001215934753},{"id":"https://openalex.org/C2776652806","wikidata":"https://www.wikidata.org/wiki/Q1985706","display_name":"Nickel oxide","level":3,"score":0.2515999972820282},{"id":"https://openalex.org/C48496998","wikidata":"https://www.wikidata.org/wiki/Q5186713","display_name":"Critical field","level":3,"score":0.25130000710487366}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2608.29771","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.29771","pdf_url":"https://arxiv.org/pdf/2608.29771","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2608.29771","doi":"https://doi.org/10.48550/arxiv.2608.29771","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2608.29771","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2608.29771","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2608.29771","pdf_url":"https://arxiv.org/pdf/2608.29771","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310490","display_name":"Villum Fonden","ror":"https://ror.org/007ww2d15"},{"id":"https://openalex.org/F4320331528","display_name":"Ministero dell'Universit\u00e0 e della Ricerca","ror":"https://ror.org/0341vw408"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204889782.pdf","grobid_xml":"https://content.openalex.org/works/W7204889782.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W4282915221","https://openalex.org/W7125147739"],"related_works":["https://openalex.org/W1884856051","https://openalex.org/W7125978745","https://openalex.org/W4392318471","https://openalex.org/W2907898269","https://openalex.org/W1575403073","https://openalex.org/W3011169263","https://openalex.org/W1992529800","https://openalex.org/W2139089868","https://openalex.org/W2768490917","https://openalex.org/W2969794058"],"abstract_inverted_index":{"The":[0],"superconducting":[1,16,24,31,63,102,127],"two-dimensional":[2],"electron":[3],"gas":[4],"(2DEG)":[5],"at":[6],"the":[7,23,53,56,62,69,73,84,91,94,100],"LaAlO$_3$/SrTiO$_3$":[8],"(LAO-STO)":[9],"interface":[10],"is":[11,50,65],"a":[12,41,78,111,124],"promising":[13],"platform":[14,112],"for":[15,113],"spintronics,":[17],"however,":[18],"integrating":[19],"ferromagnetic":[20,37,57],"contacts":[21,39,95],"with":[22],"2DEG":[25],"remains":[26],"challenging.":[27],"Here,":[28],"we":[29],"realize":[30],"LAO-STO":[32,109],"micromembrane":[33],"devices":[34,129],"contacted":[35,108],"by":[36,68],"nickel":[38,74],"through":[40],"side-contact":[42],"geometry.":[43],"Low-temperature":[44],"transport":[45],"measurements":[46],"demonstrate":[47],"that":[48,61],"superconductivity":[49],"preserved":[51],"in":[52,83],"presence":[54],"of":[55,72,93,116],"contacts.":[58],"We":[59],"show":[60],"state":[64],"strongly":[66],"influenced":[67],"magnetic":[70,81],"history":[71],"contacts,":[75],"which":[76],"generates":[77],"tunable":[79],"effective":[80,88],"field":[82,89],"2DEG.":[85],"Through":[86],"an":[87],"model,":[90],"magnetization":[92],"can":[96],"be":[97],"inferred":[98],"from":[99],"maximum":[101],"response.":[103],"Our":[104],"results":[105],"establish":[106],"ferromagnetically":[107],"as":[110],"future":[114],"investigations":[115],"spin":[117],"injection":[118],"into":[119],"oxide":[120,133],"superconductors":[121],"and":[122],"provide":[123],"route":[125],"towards":[126],"spintronic":[128],"based":[130],"on":[131],"complex":[132],"interfaces.":[134]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-02T00:00:00"}