{"id":"https://openalex.org/W7213998989","doi":"https://doi.org/10.48550/arxiv.2609.22810","title":"Photoresist-Free Lithography via Light-Induced Redox Patterning of Oxide Thin Films","display_name":"Photoresist-Free Lithography via Light-Induced Redox Patterning of Oxide Thin Films","publication_year":2026,"publication_date":"2026-09-19","ids":{"openalex":"https://openalex.org/W7213998989","doi":"https://doi.org/10.48550/arxiv.2609.22810"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.22810","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.22810","pdf_url":"https://arxiv.org/pdf/2609.22810","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/2609.22810","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015719292","display_name":"Johannes Frantti","orcid":"https://orcid.org/0000-0003-3585-7138","observed_orcids":["https://orcid.org/0000-0003-3585-7138"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Frantti, Johannes","raw_affiliation_strings":["Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112443296","display_name":"Yukari Fujioka","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fujioka, Yukari","raw_affiliation_strings":["Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011457149","display_name":"Christopher M. Rouleau","orcid":"https://orcid.org/0000-0002-5488-3537","observed_orcids":["https://orcid.org/0000-0002-5488-3537"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rouleau, Christopher","raw_affiliation_strings":["Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039999587","display_name":"Alexander A. Puretzky","orcid":"https://orcid.org/0000-0002-9996-4429","observed_orcids":["https://orcid.org/0000-0002-9996-4429"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Puretzky, Alexander","raw_affiliation_strings":["Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Reciprocal Engineering -RE Oy , Jaalaranta 9B 42 , Helsinki , Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5152464075","display_name":"Ilia Ivanov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1289243028","display_name":"Oak Ridge National Laboratory","ror":"https://ror.org/01qz5mb56","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289243028","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I4210159294"]},{"id":"https://openalex.org/I4390039300","display_name":"Center for Nanophase Materials Sciences","ror":"https://ror.org/01wass480","country_code":"US","type":"facility","lineage":["https://openalex.org/I1289243028","https://openalex.org/I1330989302","https://openalex.org/I39565521","https://openalex.org/I4210159294","https://openalex.org/I4390039300"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ivanov, Ilia","raw_affiliation_strings":["Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , TN 37831 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , TN 37831 , USA","institution_ids":["https://openalex.org/I1289243028","https://openalex.org/I4390039300"]}]}],"institutions":[],"countries_distinct_count":1,"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/T11338","display_name":"Advancements in Photolithography Techniques","score":0.760699987411499,"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/T11338","display_name":"Advancements in Photolithography Techniques","score":0.760699987411499,"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/T12224","display_name":"Nanofabrication and Lithography Techniques","score":0.1671999990940094,"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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.014000000432133675,"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/oxide-thin-films","display_name":"oxide thin films","score":0.722000002861023},{"id":"https://openalex.org/keywords/oxygen-reduction-reaction","display_name":"oxygen reduction reaction","score":0.4569999873638153},{"id":"https://openalex.org/keywords/topotactic-phase-transformation","display_name":"topotactic phase transformation","score":0.7319999933242798},{"id":"https://openalex.org/keywords/nanopatterning","display_name":"nanopatterning","score":0.7710000276565552},{"id":"https://openalex.org/keywords/metal-insulator-transition","display_name":"metal-insulator transition","score":0.5040000081062317},{"id":"https://openalex.org/keywords/optical-absorption","display_name":"optical absorption","score":0.421999990940094}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7505999803543091},{"id":"https://openalex.org/C204223013","wikidata":"https://www.wikidata.org/wiki/Q133036","display_name":"Lithography","level":2,"score":0.7290999889373779},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.6496000289916992},{"id":"https://openalex.org/C2779851234","wikidata":"https://www.wikidata.org/wiki/Q50690","display_name":"Oxide","level":2,"score":0.5379999876022339},{"id":"https://openalex.org/C45206210","wikidata":"https://www.wikidata.org/wiki/Q2415817","display_name":"Nanoscopic scale","level":2,"score":0.5302000045776367},{"id":"https://openalex.org/C100460472","wikidata":"https://www.wikidata.org/wiki/Q2368605","display_name":"Etching (microfabrication)","level":3,"score":0.5205000042915344},{"id":"https://openalex.org/C19067145","wikidata":"https://www.wikidata.org/wiki/Q1137203","display_name":"Thin film","level":2,"score":0.5095999836921692},{"id":"https://openalex.org/C55904794","wikidata":"https://www.wikidata.org/wiki/Q82682","display_name":"Redox","level":2,"score":0.49729999899864197},{"id":"https://openalex.org/C160671074","wikidata":"https://www.wikidata.org/wiki/Q267131","display_name":"Wafer","level":2,"score":0.49709999561309814},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4481000006198883},{"id":"https://openalex.org/C33220542","wikidata":"https://www.wikidata.org/wiki/Q6086567","display_name":"Isotropic etching","level":4,"score":0.3756999969482422},{"id":"https://openalex.org/C108225325","wikidata":"https://www.wikidata.org/wiki/Q11456","display_name":"Semiconductor","level":2,"score":0.3741999864578247},{"id":"https://openalex.org/C105487726","wikidata":"https://www.wikidata.org/wiki/Q622938","display_name":"Photolithography","level":2,"score":0.35580000281333923},{"id":"https://openalex.org/C2777855556","wikidata":"https://www.wikidata.org/wiki/Q4339544","display_name":"Annealing (glass)","level":2,"score":0.3305000066757202},{"id":"https://openalex.org/C202374169","wikidata":"https://www.wikidata.org/wiki/Q124291","display_name":"Electrical conductor","level":2,"score":0.3025999963283539},{"id":"https://openalex.org/C1291036","wikidata":"https://www.wikidata.org/wiki/Q1191918","display_name":"Dry etching","level":4,"score":0.29589998722076416},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.29030001163482666},{"id":"https://openalex.org/C177409738","wikidata":"https://www.wikidata.org/wiki/Q1917460","display_name":"Multiple patterning","level":4,"score":0.27810001373291016},{"id":"https://openalex.org/C17470697","wikidata":"https://www.wikidata.org/wiki/Q2449552","display_name":"Transparent conducting film","level":3,"score":0.26429998874664307},{"id":"https://openalex.org/C2779281663","wikidata":"https://www.wikidata.org/wiki/Q1549368","display_name":"Thermal oxidation","level":3,"score":0.2635999917984009},{"id":"https://openalex.org/C2777046567","wikidata":"https://www.wikidata.org/wiki/Q1540138","display_name":"Nanoimprint lithography","level":4,"score":0.25780001282691956},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.2524999976158142}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.22810","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.22810","pdf_url":"https://arxiv.org/pdf/2609.22810","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.2609.22810","doi":"https://doi.org/10.48550/arxiv.2609.22810","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.22810","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.22810","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.22810","pdf_url":"https://arxiv.org/pdf/2609.22810","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/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320332359","display_name":"Office of Science","ror":"https://ror.org/00mmn6b08"},{"id":"https://openalex.org/F4320338287","display_name":"Oak Ridge National Laboratory","ror":"https://ror.org/01qz5mb56"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213998989.pdf","grobid_xml":"https://content.openalex.org/works/W7213998989.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W2087710483","https://openalex.org/W2333458743","https://openalex.org/W2409721926","https://openalex.org/W2602074379","https://openalex.org/W2955261159","https://openalex.org/W3081979008"],"related_works":["https://openalex.org/W7124423660","https://openalex.org/W2326241140","https://openalex.org/W2739651090","https://openalex.org/W4281658400","https://openalex.org/W2099823208","https://openalex.org/W2890339161","https://openalex.org/W2378738268","https://openalex.org/W215896152","https://openalex.org/W1970039169","https://openalex.org/W4296325499"],"abstract_inverted_index":{"Lithographic":[0],"patterning":[1,54,119,154],"of":[2,25,81,111,138],"nanoscale":[3,118,153],"devices":[4],"typically":[5],"depends":[6],"on":[7,57,156],"photoresists,":[8],"wet":[9],"processing":[10],"and":[11,19,90,128],"multistep":[12],"pattern-transfer":[13],"workflows":[14],"that":[15,71],"impose":[16],"both":[17],"environmental":[18],"scaling":[20],"constraints.":[21],"Focused":[22],"laser":[23],"irradiation":[24],"(Ni,Co)1+2xTi1-xO3":[26],"under":[27],"a":[28,52,112,141,149,161],"reducing":[29],"atmosphere":[30],"drives":[31],"localized":[32],"oxygen":[33],"removal,":[34],"directly":[35],"converting":[36],"the":[37,72,77,82,92],"insulating":[38],"oxide":[39],"into":[40],"embedded":[41],"metallic":[42,84],"features":[43],"without":[44,120],"etching":[45],"or":[46],"chemical":[47],"processing.":[48],"Here":[49],"we":[50],"demonstrate":[51],"photoresist-free":[53],"method":[55],"based":[56,155],"light-induced":[58],"redox":[59,114,158],"transformations":[60],"in":[61],"(Ni0.4Co0.6)3O3":[62],"(x":[63],"=":[64],"1)":[65],"thin":[66],"films.":[67],"Our":[68],"results":[69,147],"indicate":[70],"transformation":[73,108],"is":[74,109,124,129,144],"self-limiting,":[75],"as":[76,140],"high":[78],"optical":[79],"absorption":[80],"emerging":[83],"phase":[85],"restricts":[86],"further":[87],"energy":[88],"penetration":[89],"confines":[91],"reduction":[93,142],"front,":[94],"producing":[95],"conductive":[96],"layers":[97],"with":[98,131],"electrical":[99],"properties":[100],"comparable":[101],"to":[102,151,164],"bulk":[103],"metals.":[104],"This":[105],"reversible,":[106],"orientation-preserving":[107],"characteristic":[110],"topotactic":[113],"process,":[115],"enabling":[116],"direct":[117,152],"photoresists.":[121],"The":[122,136],"process":[123],"reversible":[125],"through":[126],"re-oxidation":[127],"compatible":[130],"standard":[132],"semiconductor":[133],"wafer":[134],"substrates.":[135],"role":[137],"Ti":[139],"inhibitor":[143],"discussed.":[145],"These":[146],"establish":[148],"route":[150],"controlled":[157],"chemistry,":[159],"offering":[160],"potential":[162],"alternative":[163],"conventional":[165],"lithography":[166],"for":[167],"functional":[168],"thin-film":[169],"materials.":[170]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-23T00:00:00"}
