{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T06:50:49Z","timestamp":1792047049009,"version":"4.4.0"},"reference-count":76,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T00:00:00Z","timestamp":1791936000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T00:00:00Z","timestamp":1791936000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Heterogeneous integration of freestanding single\u2010crystalline ferroelectric membranes offers a promising route to leverage their dielectric, piezoelectric, and nonlinear optical behavior in adaptive electronics. Crystallographic orientation engineering in these membranes further enables tuning of strain states, domain characteristics, and resulting functional properties. While orientation\u2010engineered Pb\u2010based piezoelectric membranes have been demonstrated, similar studies on Pb\u2010free systems remain limited. Here, single\u2010crystalline BaTi\n                    <jats:sub>0.97<\/jats:sub>\n                    Sn\n                    <jats:sub>0.03<\/jats:sub>\n                    O\n                    <jats:sub>3<\/jats:sub>\n                    (BST) membranes along three different crystallographic orientations are fabricated via an epitaxial layer lift\u2010off process on Indium Tin oxide (ITO)\u2010coated glass substrates to investigate the anisotropic dielectric, piezoelectric, and ferroelectric properties. Relaxation of substrate\u2010induced compressive strain promotes enhanced in\u2010plane and out\u2010of\u2010plane domain nucleation, yielding superior piezoelectric and dielectric responses across all orientations. An enhanced piezoelectric response in all BST membranes (61\u2013113\u00a0pm\/V) is observed. Dielectric analysis further reveals a significant enhancement in permittivity for all the freestanding membranes compared to their clamped counterparts, at frequencies above \u223c10\n                    <jats:sup>5<\/jats:sup>\n                    \u00a0Hz (\u223c150 at 5\u00a0MHz), indicating faster polarization relaxation dynamics. Overall, this study demonstrates the influence of crystallographic orientation on domain evolution in freestanding membranes and paves the way for their integration into next\u2010generation high\u2010frequency dielectric and microelectromechanical devices.\n                  <\/jats:p>","DOI":"10.1002\/smll.76272","type":"journal-article","created":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T06:42:27Z","timestamp":1792046547000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Piezoelectric and Dielectric Enhancement in Orientation\u2010Engineered Freestanding Epitaxial Ba(Ti,Sn)O\n                    <sub>3<\/sub>\n                    Membranes"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-8073-4325","authenticated-orcid":false,"given":"Pranab","family":"Kumar Roy","sequence":"first","affiliation":[{"name":"Department of Materials Science and Engineering Indian Institute of 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