{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T20:42:32Z","timestamp":1760647352674,"version":"build-2065373602"},"reference-count":22,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2020,11,19]],"date-time":"2020-11-19T00:00:00Z","timestamp":1605744000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Research Foundation (NRF) of Korea","award":["NRF-2019R1I1A3A01058105","2018R1A6A1A03025761"],"award-info":[{"award-number":["NRF-2019R1I1A3A01058105","2018R1A6A1A03025761"]}]},{"DOI":"10.13039\/501100003713","name":"Korea Institute of Materials Science","doi-asserted-by":"publisher","award":["PNK6030"],"award-info":[{"award-number":["PNK6030"]}],"id":[{"id":"10.13039\/501100003713","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Ministry of Science and ICT (MSIT) of Korea","award":["IITP-2020-2020-0-01612"],"award-info":[{"award-number":["IITP-2020-2020-0-01612"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this study, composite devices were fabricated using ferromagnetic FeSiB-based alloys (Metglas) and ferroelectric ceramics, and their magnetic field sensitivity was evaluated. Sintered 0.95Pb(Zr0.52Ti0.48)O3-0.05Pb(Mn1\/3Sb2\/3)O3 (PZT-PMS) ceramic exhibited a very dense microstructure with a large piezoelectric voltage coefficient (g31 = \u221216.8 \u00d7 10\u22123 VmN\u22121) and mechanical quality factor (Qm &gt; 1600). Owing to these excellent electromechanical properties of the PZT-PMS, the laminate composite with a Metglas\/PZT-PMS\/Metglas sandwich structure exhibited large magnetoelectric voltage coefficients (\u03b1ME) in both off-resonance and resonance modes. When the length-to-width aspect ratio (l\/w) of the composite was controlled, \u03b1ME slightly varied in the off-resonance mode, resulting in similar sensitivity values ranging from 129.9 to 146.81 VT\u22121. Whereas in the resonance mode, the composite with small l\/w exhibited a large reduction of \u03b1ME and sensitivity values. When controlling the thickness of the PZT-PMS (t), the \u03b1ME of the composite showed the largest value when t was the smallest in the off-resonance mode, while \u03b1ME was the largest when t is the largest in the resonance mode. The control of t slightly affected the sensitivity in the off-resonance mode, however, higher sensitivity was obtained as t increased in the resonance mode. The results demonstrate that the sensitivity, varying with the dimensional control of the composite, is related to the mechanical loss of the sensor. The composite sensor with the PZT-PMS layer exhibited excellent magnetic field sensitivity of 1.49 \u00d7 105 VT\u22121 with a sub-nT sensing limit, indicating its potential for application in high-performance magnetoelectric sensor devices.<\/jats:p>","DOI":"10.3390\/s20226635","type":"journal-article","created":{"date-parts":[[2020,11,19]],"date-time":"2020-11-19T10:46:26Z","timestamp":1605782786000},"page":"6635","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["High Magnetic Field Sensitivity in Ferromagnetic\u2013Ferroelectric Composite with High Mechanical Quality Factor"],"prefix":"10.3390","volume":"20","author":[{"given":"Yong-Woo","family":"Lee","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Korea"}]},{"given":"Joon-Young","family":"Soh","sequence":"additional","affiliation":[{"name":"New &amp; Renewable Energy Lab., KEPCO Research Institute, Daejeon 34056, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-2599-8257","authenticated-orcid":false,"given":"Il-Ryeol","family":"Yoo","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Korea"}]},{"given":"Jiung","family":"Cho","sequence":"additional","affiliation":[{"name":"Western Seoul Center, Korea Basic Science Institute, Seoul 03579, Korea"}]},{"given":"Cheol-Woo","family":"Ahn","sequence":"additional","affiliation":[{"name":"Korea Institute of Materials Science (KIMS), Changwon 51508, Korea"}]},{"given":"Jong-Jin","family":"Choi","sequence":"additional","affiliation":[{"name":"Korea Institute of Materials Science (KIMS), Changwon 51508, Korea"}]},{"given":"Byung-Dong","family":"Hahn","sequence":"additional","affiliation":[{"name":"Korea Institute of Materials Science (KIMS), Changwon 51508, Korea"}]},{"given":"Kyung-Hoon","family":"Cho","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2020,11,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"031101","DOI":"10.1063\/1.2836410","article-title":"Multiferroic magnetoelectric composites: Historical perspective, status, and future directions","volume":"103","author":"Nan","year":"2008","journal-title":"J. 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