{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T15:46:07Z","timestamp":1782575167064,"version":"3.54.5"},"reference-count":38,"publisher":"Wiley","issue":"36","license":[{"start":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T00:00:00Z","timestamp":1772755200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T00:00:00Z","timestamp":1772755200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100000006","name":"Office of Naval Research","doi-asserted-by":"publisher","award":["N00014\u201024\u20101\u20102294"],"award-info":[{"award-number":["N00014\u201024\u20101\u20102294"]}],"id":[{"id":"10.13039\/100000006","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Acoustic transducers are essential for object localization and environmental sensing. Conventional transducers rely on piezoelectric crystals, whose acoustic\u2010electric response is fixed by the crystal lattice's inherent asymmetry and orientation. This results in static coupling behavior, necessitating bulky arrays of rigid elements with complex wiring and high computational demands for directional sensing. Here, we report a fundamentally new class of acoustic\u2010electric coupling that emerges from topology\u2010governed charge transport in 3D micro\u2010architected piezoelectric metamaterials. Unlike single crystals, these architected materials exhibit dynamic, geometry\u2010driven electromechanical responses. Acoustic waves excite multiple coupled vibration modes, enabling selective amplification, suppression, or reversal of charge flow based on the incident wave's frequency, direction, and the material's topology. This tunable, symmetry\u2010breaking response is encoded not in the chemistry but in the architecture\u2014representing a shift from crystal\u2010defined to structure\u2010programmed piezoelectricity. We further demonstrate that a single metamaterial transducer can perform frequency\u2010dependent beam shaping without changing aperture size or requiring mechanical adjustment. Combined with machine learning and 3D printing, these intelligent acousto\u2010electrical metamaterials (IAM) enable real\u2010time localization of multiple moving sound sources. This approach lays the foundation for compact, adaptive, and intelligent acoustic sensing systems across a range of applications\u2014from autonomous vehicles to medical imaging and underwater robotics.<\/jats:p>","DOI":"10.1002\/adma.202513205","type":"journal-article","created":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T19:09:32Z","timestamp":1772996972000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Intelligent Acousto\u2010Electrical Metamaterials (IAM) for Sound Source Detection"],"prefix":"10.1002","volume":"38","author":[{"given":"Victor","family":"Cou\u00ebdel","sequence":"first","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"},{"name":"Energy Technologies Area Lawrence Berkeley National Laboratory  Berkeley California USA"},{"name":"Berkeley Sensor and Actuator Center  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haotian","family":"Lu","sequence":"additional","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"},{"name":"Berkeley Sensor and Actuator Center  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiayan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"},{"name":"Berkeley Sensor and Actuator Center  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Desheng","family":"Yao","sequence":"additional","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ananya","family":"Bhardwaj","sequence":"additional","affiliation":[{"name":"George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramiro","family":"Contreras","sequence":"additional","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karim","family":"Sabra","sequence":"additional","affiliation":[{"name":"George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology  Atlanta Georgia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoyu (Rayne)","family":"Zheng","sequence":"additional","affiliation":[{"name":"Department of Material Sciences and Engineering University of California  Berkeley California USA"},{"name":"Energy Technologies Area Lawrence Berkeley National Laboratory  Berkeley California USA"},{"name":"Berkeley Sensor and Actuator Center  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,3,6]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-76540-2"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2014.04.103"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.abk0159"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.abe5914"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-024-48748-6"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2021.112790"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1109\/PROC.1965.4253"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-662-05361-4"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/aisy.202200262"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-78365-9"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-39044-4"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1121\/1.427091"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1121\/10.0001081"},{"key":"e_1_2_10_15_1","first-page":"1","volume-title":"OCEANS 2008","author":"Chitre M.","year":"2008"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1121\/10.0035648"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1109\/TUFFC.2022.3213185"},{"key":"e_1_2_10_18_1","first-page":"1","volume-title":"OCEANS 2006","author":"McConnell J.","year":"2006"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1121\/2.0000634"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apacoust.2006.05.003"},{"key":"e_1_2_10_21_1","doi-asserted-by":"publisher","DOI":"10.1109\/48.855379"},{"key":"e_1_2_10_22_1","first-page":"1","volume-title":"2020 28th Iranian Conference on Electrical Engineering (ICEE)","author":"Yaghoobian O.","year":"2020"},{"key":"e_1_2_10_23_1","doi-asserted-by":"crossref","unstructured":"H. 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