{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T15:31:36Z","timestamp":1760369496338,"version":"build-2065373602"},"reference-count":36,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2018,12,29]],"date-time":"2018-12-29T00:00:00Z","timestamp":1546041600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Basic Research Project","award":["JCKY2016208A002"],"award-info":[{"award-number":["JCKY2016208A002"]}]},{"name":"Advanced Manufacturing Project","award":["41423020111"],"award-info":[{"award-number":["41423020111"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61505157","51502232"],"award-info":[{"award-number":["61505157","51502232"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The surface acoustic wave (SAW) gyroscopic effect in an interdigital transducer (IDT) deposited on a piezoelectric substrate is different from that in the piezoelectric substrate due to a reflection induced by IDT. In this work, an extended coupling-of-mode (COM) model including the gyroscopic effect and the reflection was developed to analyze the SAW gyroscopic effect. First, dispersion characteristics parameters of SAW were fitted according to the data derived using the finite element method (FEM). Then, variations of stop band edge frequency were calculated using the extended COM theory by integrating dispersion characteristics parameters into the COM model. We compared its results with those obtained via FEM analysis to confirm the proposed model\u2019s validity. We found that the variation in stop band edge frequency related to gyroscope effect reached the maximum value with a zero reflectivity value. For split IDT, the sensitivity of gyroscope effect is 0.036 Hz\/rad\/s with a lower than 1% normalized thickness. Conversely, the value of sensitivity was almost zero for bidirectional IDT and electrode width controlled single-phase unidirectional transducer (EWC\/SPUDT).<\/jats:p>","DOI":"10.3390\/s19010106","type":"journal-article","created":{"date-parts":[[2018,12,31]],"date-time":"2018-12-31T07:22:30Z","timestamp":1546240950000},"page":"106","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Surface Acoustic Wave Gyroscopic Effect in an Interdigital Transducer"],"prefix":"10.3390","volume":"19","author":[{"given":"Xueping","family":"Sun","sequence":"first","affiliation":[{"name":"School of Microelectronics, Xidian University, Xi\u2019an 710126, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4789-821X","authenticated-orcid":false,"given":"Weiguo","family":"Liu","sequence":"additional","affiliation":[{"name":"Laboratory of Thin Film Techniques and Optical Test, Xi\u2019an Technological University, Xi\u2019an 710032, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiuting","family":"Shao","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Shandong Normal University, Jinan 250358, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shun","family":"Zhou","sequence":"additional","affiliation":[{"name":"Laboratory of Thin Film Techniques and Optical Test, Xi\u2019an Technological University, Xi\u2019an 710032, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wen","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1889-7982","authenticated-orcid":false,"given":"Dabin","family":"Lin","sequence":"additional","affiliation":[{"name":"Laboratory of Thin Film Techniques and Optical Test, Xi\u2019an Technological University, Xi\u2019an 710032, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2018,12,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3908","DOI":"10.3390\/s140303908","article-title":"Enhanced sensitivity of surface acoustic wave-based rate sensors incorporating metallic dot arrays","volume":"14","author":"Wang","year":"2014","journal-title":"Sensors"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"811","DOI":"10.1007\/s00707-014-1225-y","article-title":"Inhomogeneous wave reflection in a rotating piezoelectric body","volume":"226","author":"Yuan","year":"2015","journal-title":"Acta Mech."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"575","DOI":"10.2514\/3.2371","article-title":"Wave propagation in rotating elastic media","volume":"2","author":"Huston","year":"1964","journal-title":"AIAA J."},{"key":"ref_4","doi-asserted-by":"crossref","unstructured":"Tiersten, H.F., Stevens, D.S., and Das, P.K. 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