{"id":"https://openalex.org/W4385192541","doi":"https://doi.org/10.23919/vlsitechnologyandcir57934.2023.10185233","title":"Towards Epitaxial Ferroelectric HZO on n<sup>+</sup>-Si/Ge Substrates Achieving Record 2Pr = 84 \u03bcC/cm\u00b2 and Endurance &gt; 1E11","display_name":"Towards Epitaxial Ferroelectric HZO on n<sup>+</sup>-Si/Ge Substrates Achieving Record 2Pr = 84 \u03bcC/cm\u00b2 and Endurance &gt; 1E11","publication_year":2023,"publication_date":"2023-06-11","ids":{"openalex":"https://openalex.org/W4385192541","doi":"https://doi.org/10.23919/vlsitechnologyandcir57934.2023.10185233"},"language":"en","primary_location":{"id":"doi:10.23919/vlsitechnologyandcir57934.2023.10185233","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsitechnologyandcir57934.2023.10185233","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and 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/A5035270779","display_name":"Zefu Zhao","orcid":"https://orcid.org/0000-0003-0796-1659"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Zefu Zhao","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049569903","display_name":"Yu-Rui Chen","orcid":"https://orcid.org/0000-0002-1564-7750"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yu-Rui Chen","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026638241","display_name":"Yun-Wen Chen","orcid":"https://orcid.org/0000-0002-6055-2208"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yun-Wen Chen","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043292560","display_name":"Wan-Hsuan Hsieh","orcid":"https://orcid.org/0000-0001-6924-6648"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wan-Hsuan Hsieh","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085380486","display_name":"Jer-Fu Wang","orcid":"https://orcid.org/0009-0005-4156-531X"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jer-Fu Wang","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021621501","display_name":"Jia-Yang Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jia-Yang Lee","raw_affiliation_strings":["National Taiwan University,Graduate School of Advanced Technology,Taipei,Taiwan","Graduate School of Advanced Technology, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate School of Advanced Technology,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate School of Advanced Technology, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085806213","display_name":"Yifan Xing","orcid":"https://orcid.org/0000-0002-2977-5956"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yifan Xing","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041737617","display_name":"Guan-Hua Chen","orcid":"https://orcid.org/0000-0002-8236-0477"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Guan-Hua Chen","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Photonics and Optoelectronics,Taipei,Taiwan","Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Photonics and Optoelectronics,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100681944","display_name":"C. W. Liu","orcid":"https://orcid.org/0000-0002-6439-8754"},"institutions":[{"id":"https://openalex.org/I16733864","display_name":"National Taiwan University","ror":"https://ror.org/05bqach95","country_code":"TW","type":"education","lineage":["https://openalex.org/I16733864"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"C. W. Liu","raw_affiliation_strings":["National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan","Graduate School of Advanced Technology, National Taiwan University, Taipei, Taiwan","Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Taiwan University,Graduate Institute of Electronics Engineering,Taipei,Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate School of Advanced Technology, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]},{"raw_affiliation_string":"Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan","institution_ids":["https://openalex.org/I16733864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5035270779"],"corresponding_institution_ids":["https://openalex.org/I16733864"],"apc_list":null,"apc_paid":null,"fwci":1.4727,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.82068064,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":1.0,"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","score":1.0,"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/T12046","display_name":"MXene and MAX Phase Materials","score":0.98580002784729,"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/T10472","display_name":"Semiconductor materials and devices","score":0.97079998254776,"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/glioblastoma","display_name":"Glioblastoma","score":0.4441407024860382},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.34921711683273315},{"id":"https://openalex.org/keywords/stereochemistry","display_name":"Stereochemistry","score":0.33531641960144043},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.19064101576805115},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.1444740891456604}],"concepts":[{"id":"https://openalex.org/C2776194525","wikidata":"https://www.wikidata.org/wiki/Q282142","display_name":"Glioblastoma","level":2,"score":0.4441407024860382},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.34921711683273315},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.33531641960144043},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.19064101576805115},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.1444740891456604},{"id":"https://openalex.org/C502942594","wikidata":"https://www.wikidata.org/wiki/Q3421914","display_name":"Cancer research","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/vlsitechnologyandcir57934.2023.10185233","is_oa":false,"landing_page_url":"https://doi.org/10.23919/vlsitechnologyandcir57934.2023.10185233","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and 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":10,"referenced_works":["https://openalex.org/W2158012362","https://openalex.org/W2522377346","https://openalex.org/W2988886630","https://openalex.org/W3035479317","https://openalex.org/W3112154969","https://openalex.org/W3168220688","https://openalex.org/W3191070904","https://openalex.org/W4205878991","https://openalex.org/W4206410748","https://openalex.org/W4206535761"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2935759653","https://openalex.org/W3105167352","https://openalex.org/W54078636","https://openalex.org/W2954470139","https://openalex.org/W1501425562","https://openalex.org/W2902782467","https://openalex.org/W3084825885","https://openalex.org/W2298861036","https://openalex.org/W2271181815"],"abstract_inverted_index":{"Nearly":[0],"epitaxially":[1],"grown":[2],"ferroelectric":[3,216],"Hf":[4],"<inf":[5,9,13,54,58,87],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[6,10,14,22,42,55,59,72,78,88,134,154,182,188,203],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">0.5</inf>":[7,11],"Zr":[8],"O":[12],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</inf>":[15,56,60],"(HZO)":[16],"films":[17,68,99,130,150,218],"on":[18,51,69,131,151,179],"(001)":[19],"n":[20,70,76,132,152,180,186],"<sup":[21,41,71,77,133,153,181,187,202],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">+</sup>":[23,73,79,135,155,183,189],"-Si(3E19/cm":[24],"3)":[25,29],"and":[26,39,62,75,93,173,185,199],"n+":[27],"-Ge(3E20/cm":[28],"substrates":[30,158,191,223],"exhibit":[31],"record":[32,193],"remanent":[33],"polarization":[34],"(2P":[35],"r)":[36],"of":[37,91,127,197],"84":[38],"73$\\mu$C/cm":[40],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[43,204],",":[44,205],"respectively,":[45],"which":[46],"are":[47],"higher":[48],"than":[49],"that":[50,107],"amorphous":[52],"SiO":[53],"($\\alpha$-SiO":[57],")":[61,90],"partially":[63],"crystallized":[64],"TiN":[65],"underlayers.":[66],"HZO":[67,98,129,149,178,217],"-Si":[74,184],"-Ge":[80,190],"also":[81],"show":[82,106],"high":[83,125],"coercive":[84],"field":[85],"(2E":[86],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">c</inf>":[89],"8.8":[92],"5.8":[94],"MV/cm,":[95],"respectively.":[96,206],"Superlattice":[97],"by":[100,219],"plasma-enhanced":[101],"atomic":[102],"layer":[103],"deposition":[104],"(PEALD)":[105],"c-axis":[108],"is":[109,144,230],"well-aligned":[110],"with":[111,123],"the":[112,148,177,210],"growth":[113],"direction":[114],"in":[115,147],"scanning":[116],"transmission":[117],"electron":[118],"microscopy":[119],"(STEM)":[120],"images,":[121],"consistent":[122],"observed":[124],"2Pr":[126],"epitaxial":[128],"-Si(Ge).":[136],"The":[137,227],"density":[138],"functional":[139],"theory":[140],"(DFT)":[141],"indicates":[142],"o-phase":[143],"greatly":[145],"stabilized":[146],"-":[156],"Si(Ge)":[157],"due":[159],"to":[160,169,212],"low":[161,232],"interfacial":[162,225],"energy":[163],"at":[164],"o-phase/Si(Ge)":[165],"interfaces":[166],"as":[167,231,233],"compared":[168],"m-(t-)phase/Si(Ge).":[170],"After":[171],"1E9":[172],"1E11":[174],"endurance":[175],"cycles,":[176],"have":[192],"finial":[194],"2P":[195],"r":[196],"51":[198],"47":[200],"$\\mu$C/cm":[201],"Our":[207],"study":[208],"demonstrates":[209],"way":[211],"achieve":[213],"single":[214],"crystalline":[215],"using":[220],"small":[221],"misfit":[222],"without":[224],"layers.":[226],"thermal":[228],"budget":[229],"450\u00b0C.":[234]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
