{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T03:45:42Z","timestamp":1791776742313,"version":"4.3.4"},"reference-count":49,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T00:00:00Z","timestamp":1791676800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T00:00:00Z","timestamp":1791676800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22175150"],"award-info":[{"award-number":["22175150"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52262019"],"award-info":[{"award-number":["52262019"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Lead\u2010free K\n                    <jats:sub>0.5<\/jats:sub>\n                    Na\n                    <jats:sub>0.5<\/jats:sub>\n                    NbO\n                    <jats:sub>3<\/jats:sub>\n                    (KNN)\u2010based ceramics are promising candidates for multifunctional electronic materials. Nevertheless, the synergistic optimization of electrostrain and optical transmittance in KNN polycrystalline ceramics remains a critical challenge, owing to the structural trade\u2010off between large strain and high transparency. Here, we employ chemical disorder engineering specifically through BaTiO\n                    <jats:sub>3<\/jats:sub>\n                    (BT) substitution to manipulate the BO\n                    <jats:sub>6<\/jats:sub>\n                    oxygen octahedron rotation disorder. BT incorporated into KNN gradually modulates the BO\n                    <jats:sub>6<\/jats:sub>\n                    rotation mode from local ordering to a random distribution, which refines the size of cubic\u2010phase\u2010enriched polar nanoregions, facilitating high transparency in visible\u2010light range. The disordered BO\n                    <jats:sub>6<\/jats:sub>\n                    rotation essentially lowers the thermodynamic switching barriers for polarization and strengthens the defect\u2010dipole pinning effect, thereby enhance the electrostrain synergistically. The optimal composition, i.e., KNN\u20100.03BT exhibits a large electrostrain of 1.2% and an optical transmittance of 60% in visible\u2010light range. By overcoming the long\u2010standing bottleneck in traditional polycrystalline ceramics, this work elucidates the core mechanism of atomic\u2010scale disordering\u2010enhanced polarization response and reduced optical loss, thereby advancing multifunctional material applications such as transparent sensing and flexible electronics.\n                  <\/jats:p>","DOI":"10.1002\/advs.77952","type":"journal-article","created":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T03:06:23Z","timestamp":1791774383000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Large Electrostrain and High Optical Transmittance via Oxygen Octahedron Rotation Disordering in KNN Ceramics"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-7435-9565","authenticated-orcid":false,"given":"Xia","family":"Luo","sequence":"first","affiliation":[{"name":"Yunnan Key Laboratory of Electromagnetic Materials and Devices National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University  Kunming People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5903-7786","authenticated-orcid":false,"given":"Jian","family":"Wang","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Electromagnetic Materials and Devices National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University  Kunming People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Tan","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Electromagnetic Materials and Devices National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University  Kunming People's Republic of China"},{"name":"Southwest United Graduate School  Kunming People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0419-9830","authenticated-orcid":false,"given":"Jiyang","family":"Xie","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Electromagnetic Materials and Devices National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University  Kunming People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8741-9108","authenticated-orcid":false,"given":"Thamil Selvi","family":"Velayutham","sequence":"additional","affiliation":[{"name":"School of Engineering Yunnan University  Kunming People's Republic of China"},{"name":"Low Dimensional Materials Research Centre (LDMRC) Department of Physics Faculty of Science Universiti Malaya  Kuala Lumpur Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0180-9648","authenticated-orcid":false,"given":"Wanbiao","family":"Hu","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Electromagnetic Materials and Devices National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University  Kunming People's Republic of China"},{"name":"Southwest United Graduate School  Kunming People's Republic of China"},{"name":"School of Engineering Yunnan University  Kunming People's Republic of 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