{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T15:46:32Z","timestamp":1764603992692,"version":"3.41.2"},"reference-count":53,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T00:00:00Z","timestamp":1695600000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000078","name":"Division of Materials Research","doi-asserted-by":"publisher","award":["2004455"],"award-info":[{"award-number":["2004455"]}],"id":[{"id":"10.13039\/100000078","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2024,1,22]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The removal of lead from commercialized perovskite\u2010oxide\u2010based piezoceramics has been a recent major topic in materials research owing to legislation in many countries. In this regard, Sn(II)\u2010perovskite oxides have garnered keen interest due to their predicted large spontaneous electric polarizations and isoelectronic nature for substitution of Pb(II) cations. However, they have not been considered synthesizable owing to their high metastability. Herein, the perovskite lead hafnate, i.e., PbHfO<jats:sub>3<\/jats:sub> in space group <jats:italic>Pbam<\/jats:italic>, is shown to react with SnClF at a low temperature of 300\u2009\u00b0C, and resulting in the first complete Sn(II)\u2010for\u2010Pb(II) substitution, i.e. SnHfO<jats:sub>3<\/jats:sub>. During this topotactic transformation, a high purity and crystallinity is conserved with <jats:italic>Pbam<\/jats:italic> symmetry, as confirmed by X\u2010ray and electron diffraction, elemental analysis, and <jats:sup>119<\/jats:sup>Sn M\u00f6ssbauer spectroscopy. In situ diffraction shows SnHfO<jats:sub>3<\/jats:sub> also possesses reversible phase transformations and is potentially polar between \u2248130\u2013200\u2009\u00b0C. This so\u2010called \u2018de\u2010leadification\u2019 is thus shown to represent a highly useful strategy to fully remove lead from perovskite\u2010oxide\u2010based piezoceramics and opening the door to new explorations of polar and antipolar Sn(II)\u2010oxide materials.<\/jats:p>","DOI":"10.1002\/anie.202312130","type":"journal-article","created":{"date-parts":[[2023,9,12]],"date-time":"2023-09-12T19:29:31Z","timestamp":1694546971000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Switching Lead for Tin in PbHfO<sub>3<\/sub>: Noncubic Structure of SnHfO<sub>3<\/sub>**"],"prefix":"10.1002","volume":"63","author":[{"given":"Eric A.","family":"Gabilondo","sequence":"first","affiliation":[{"name":"Department of Chemistry North Carolina State University  Raleigh NC 27695-8204 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryan J.","family":"Newell","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering North Carolina State University  Raleigh NC 27695-8204 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rachel","family":"Broughton","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering North Carolina State University  Raleigh NC 27695-8204 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aylin","family":"Koldemir","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster  Corrensstrasse 30 48149 M\u00fcnster Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rainer","family":"P\u00f6ttgen","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Anorganische und Analytische Chemie Universit\u00e4t M\u00fcnster  Corrensstrasse 30 48149 M\u00fcnster Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacob L.","family":"Jones","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering North Carolina State University  Raleigh NC 27695-8204 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3909-1590","authenticated-orcid":false,"given":"Paul A.","family":"Maggard","sequence":"additional","affiliation":[{"name":"Department of Chemistry North Carolina State University  Raleigh NC 27695-8204 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,9,25]]},"reference":[{"key":"e_1_2_7_1_1","doi-asserted-by":"publisher","DOI":"10.1088\/0953-8984\/27\/28\/283203"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevB.90.161111"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1039\/C7TC00528H"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.accounts.1c00210"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1039\/C4MH00049H"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/cm5018135"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.9b06055"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.aaq0148"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/cm00055a001"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmatsci.2020.100734"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1359-0286(96)80089-1"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-4596(83)80006-1"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.202200479"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1557\/mrs.2018.154"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1038\/358136a0"},{"key":"e_1_2_7_16_1","first-page":"2229","volume":"4","author":"Tagantsev A. 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