{"id":"https://openalex.org/W7213329353","doi":"https://doi.org/10.48550/arxiv.2609.14222","title":"Bimorph Lithium Niobate Thickness-Shear Overtone Film Bulk Acoustic Resonator","display_name":"Bimorph Lithium Niobate Thickness-Shear Overtone Film Bulk Acoustic Resonator","publication_year":2026,"publication_date":"2026-09-13","ids":{"openalex":"https://openalex.org/W7213329353","doi":"https://doi.org/10.48550/arxiv.2609.14222"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.14222","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.14222","pdf_url":"https://arxiv.org/pdf/2609.14222","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","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.14222","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5151777248","display_name":"Ziqian Yao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yao, Ziqian","raw_affiliation_strings":["Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126395704","display_name":"Ian Anderson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anderson, Ian","raw_affiliation_strings":["Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005029258","display_name":"Tzu-Hsuan Hsu","orcid":"https://orcid.org/0000-0003-4606-1039","observed_orcids":["https://orcid.org/0000-0003-4606-1039"]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hsu, Tzu-Hsuan","raw_affiliation_strings":["Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5123888783","display_name":"Vakhtang Chulukhadze","orcid":"https://orcid.org/0009-0003-6869-1231","observed_orcids":["https://orcid.org/0009-0003-6869-1231"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chulukhadze, Vakhtang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110134698","display_name":"Jack J. Kramer","orcid":"https://orcid.org/0000-0002-8078-8138","observed_orcids":["https://orcid.org/0000-0002-8078-8138"]},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kramer, Jack","raw_affiliation_strings":["Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering , The University of Texas at Austin , Austin , TX 78712 USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5151722593","display_name":"Ruochen Lu","orcid":"https://orcid.org/0000-0003-0025-3924","observed_orcids":["https://orcid.org/0000-0003-0025-3924"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lu, Ruochen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"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/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10107","display_name":"Ferroelectric and Piezoelectric Materials","score":0.00019999999494757503,"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/T11449","display_name":"Mechanical and Optical Resonators","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/film-bulk-acoustic-resonator","display_name":"film bulk acoustic resonator","score":0.9070000052452087},{"id":"https://openalex.org/keywords/lithium-niobate","display_name":"lithium niobate","score":0.9179999828338623},{"id":"https://openalex.org/keywords/thickness-shear-mode","display_name":"thickness-shear mode","score":0.8069999814033508},{"id":"https://openalex.org/keywords/overtone-modes","display_name":"overtone modes","score":0.7480000257492065},{"id":"https://openalex.org/keywords/electromechanical-coupling","display_name":"electromechanical coupling","score":0.8259999752044678},{"id":"https://openalex.org/keywords/quality-factor","display_name":"quality factor","score":0.843999981880188},{"id":"https://openalex.org/keywords/low-temperature-operation","display_name":"low-temperature operation","score":0.6520000100135803},{"id":"https://openalex.org/keywords/x-cut-lithium-niobate","display_name":"X-cut lithium niobate","score":0.6299999952316284}],"concepts":[{"id":"https://openalex.org/C2778393539","wikidata":"https://www.wikidata.org/wiki/Q4913759","display_name":"Bimorph","level":3,"score":0.9596999883651733},{"id":"https://openalex.org/C38615331","wikidata":"https://www.wikidata.org/wiki/Q261967","display_name":"Overtone","level":3,"score":0.9211000204086304},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.7824000120162964},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7813000082969666},{"id":"https://openalex.org/C2777207636","wikidata":"https://www.wikidata.org/wiki/Q424481","display_name":"Lithium niobate","level":2,"score":0.761900007724762},{"id":"https://openalex.org/C100082104","wikidata":"https://www.wikidata.org/wiki/Q183759","display_name":"Piezoelectricity","level":2,"score":0.5734999775886536},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.5062999725341797},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4404999911785126},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3919999897480011},{"id":"https://openalex.org/C134132462","wikidata":"https://www.wikidata.org/wiki/Q45621","display_name":"Ceramic","level":2,"score":0.38909998536109924},{"id":"https://openalex.org/C187725362","wikidata":"https://www.wikidata.org/wiki/Q830521","display_name":"Q factor","level":3,"score":0.3837999999523163},{"id":"https://openalex.org/C57172181","wikidata":"https://www.wikidata.org/wiki/Q6674010","display_name":"Longitudinal mode","level":3,"score":0.37290000915527344},{"id":"https://openalex.org/C141354745","wikidata":"https://www.wikidata.org/wiki/Q17227","display_name":"Cantilever","level":2,"score":0.3517000079154968},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.3264000117778778},{"id":"https://openalex.org/C21036866","wikidata":"https://www.wikidata.org/wiki/Q181767","display_name":"Stress (linguistics)","level":2,"score":0.3253999948501587},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.3203999996185303},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.31450000405311584},{"id":"https://openalex.org/C91397564","wikidata":"https://www.wikidata.org/wiki/Q15059729","display_name":"Coupling coefficient of resonators","level":3,"score":0.3061999976634979},{"id":"https://openalex.org/C2778541603","wikidata":"https://www.wikidata.org/wiki/Q152763","display_name":"Lithium (medication)","level":2,"score":0.289900004863739},{"id":"https://openalex.org/C2777904631","wikidata":"https://www.wikidata.org/wiki/Q410458","display_name":"Lithium tantalate","level":3,"score":0.2847000062465668}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.14222","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.14222","pdf_url":"https://arxiv.org/pdf/2609.14222","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.2609.14222","doi":"https://doi.org/10.48550/arxiv.2609.14222","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.14222","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:2609.14222","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.14222","pdf_url":"https://arxiv.org/pdf/2609.14222","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":[{"id":"https://openalex.org/G6580966856","display_name":"CAREER: Radio Frequency Piezoelectric Acoustic Microsystems for  Efficient and Adaptive Front-End Signal Processing","funder_award_id":"2339731","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6671297155","display_name":null,"funder_award_id":"CAREER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320323092","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70"},{"id":"https://openalex.org/F4320337392","display_name":"Division of Electrical, Communications and Cyber Systems","ror":"https://ror.org/01krpsy48"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213329353.pdf","grobid_xml":"https://content.openalex.org/works/W7213329353.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4410582173","https://openalex.org/W4317794289","https://openalex.org/W4388447744","https://openalex.org/W4387446781","https://openalex.org/W4415366963","https://openalex.org/W2100936458","https://openalex.org/W2181650793","https://openalex.org/W3212373485","https://openalex.org/W1976079787","https://openalex.org/W2798540388"],"abstract_inverted_index":{"High":[0],"quality":[1],"factor":[2],"($Q$)":[3],"and":[4,23,68,72,106,129,138,146,169,198],"overtone":[5,51],"operation":[6],"enable":[7],"narrow-linewidth":[8],"acoustic":[9,104],"devices":[10],"with":[11,63],"multiple":[12],"discrete":[13],"frequencies":[14],"in":[15,195],"a":[16,36,56,73,96,160,170,187],"single":[17],"cavity.":[18,76],"Maintaining":[19],"both":[20],"high":[21],"$Q$":[22,134,163],"sufficient":[24],"electromechanical":[25],"coupling":[26,94],"at":[27,127,166,177],"higher":[28],"mode":[29,110],"orders":[30],"remains":[31],"challenging.":[32],"Here,":[33],"we":[34],"demonstrate":[35],"bimorph":[37,62,183],"periodically":[38],"poled":[39],"piezoelectric":[40],"film":[41],"(P3F)":[42],"lithium":[43],"niobate":[44],"(LN)":[45],"platform":[46,189],"for":[47,190],"high-order":[48,109],"thickness-shear":[49],"(TS)":[50],"excitation.":[52],"The":[53,77,101],"device":[54],"comprises":[55],"bonded":[57],"80-$\u03bc$m-thick":[58],"single-crystal":[59],"X-cut":[60],"LN":[61,103,185],"opposite":[64],"polarizations,":[65],"patterned":[66],"top":[67],"floating":[69],"bottom":[70],"electrodes,":[71],"suspended":[74],"air":[75],"P3F":[78,184],"configuration":[79],"mitigates":[80],"charge":[81],"cancellation":[82],"from":[83,151],"the":[84,196],"alternating":[85],"stress":[86],"distribution":[87],"of":[88,99,136,144,164,174],"higher-order":[89],"TS":[90,116],"modes,":[91],"enabling":[92],"measurable":[93],"across":[95],"broad":[97],"sequence":[98],"overtones.":[100],"thick":[102],"cavity":[105],"increasingly":[107],"confined":[108],"profiles":[111],"support":[112],"low-loss":[113],"operation.":[114],"Measured":[115],"overtones":[117,126],"extend":[118],"to":[119,141,153],"1.75":[120],"GHz.":[121,179],"At":[122],"room":[123],"temperature,":[124],"representative":[125],"0.77":[128],"0.89":[130],"GHz":[131],"exhibit":[132],"3-dB":[133,162],"values":[135],"11,338":[137],"11,917,":[139],"corresponding":[140],"$fQ$":[142,172],"products":[143],"$8.74\\times10^{12}$":[145],"$1.06\\times10^{13}$":[147],"Hz,":[148],"respectively.":[149],"Cooling":[150],"297":[152],"12":[154],"K":[155],"systematically":[156],"enhances":[157],"$Q$,":[158],"yielding":[159],"peak":[161],"20,507":[165],"779":[167],"MHz":[168],"maximum":[171],"product":[173],"$1.98\\times10^{13}$":[175],"Hz":[176],"1.379":[178],"These":[180],"results":[181],"establish":[182],"as":[186],"promising":[188],"high-$Q$,":[191],"frequency-scalable":[192],"micro-acoustic":[193],"resonators":[194],"sub-GHz":[197],"low-GHz":[199],"regimes.":[200]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-16T00:00:00"}
