{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:04:00Z","timestamp":1787011440217,"version":"build-2736575974"},"reference-count":30,"publisher":"International Union of Crystallography (IUCr)","issue":"5","license":[{"start":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T00:00:00Z","timestamp":1564617600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html"},{"start":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T00:00:00Z","timestamp":1564617600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.iucr.org\/services\/copyrightpolicy.html#TDM"}],"funder":[{"name":"Australian Government ARC Discovery Project scheme"},{"name":"Australian Government Australian Postgraduate Award"},{"DOI":"10.13039\/501100001671","name":"European Synchrotron Radiation Facility","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001671","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["iucr.org","wiley.com","iucrj.org"],"crossmark-restriction":true},"short-container-title":["J Synchrotron Rad","J Synchrotron Radiat"],"accepted":{"date-parts":[[2019,6,2]]},"published-print":{"date-parts":[[2019,9,1]]},"abstract":"<jats:p>\n                    Parametric Rietveld refinement from powder diffraction data has been utilized in a variety of situations to understand structural phase transitions of materials\n                    <jats:italic>in situ<\/jats:italic>\n                    . However, when analysing data from lower-resolution two-dimensional detectors or from samples with overlapping Bragg peaks, such transitions become difficult to observe. In this study, a weighted parametric method is\u00a0demonstrated whereby the scale factor is restrained via an inverse tan function, making the phase boundary composition a refinable parameter. This is demonstrated using compositionally graded samples within the lead-free piezoelectric (BiFeO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:italic>\n                      <jats:sub>x<\/jats:sub>\n                    <\/jats:italic>\n                    (Bi\n                    <jats:sub>0.5<\/jats:sub>\n                    K\n                    <jats:sub>0.5<\/jats:sub>\n                    TiO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:italic>\n                      <jats:sub>y<\/jats:sub>\n                    <\/jats:italic>\n                    (Bi\n                    <jats:sub>0.5<\/jats:sub>\n                    Na\n                    <jats:sub>0.5<\/jats:sub>\n                    TiO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>\n                      1\n                      <jats:italic>\u2013x\u2013y<\/jats:italic>\n                    <\/jats:sub>\n                    and (Bi\n                    <jats:sub>0.5<\/jats:sub>\n                    Na\n                    <jats:sub>0.5<\/jats:sub>\n                    TiO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>\n                      <jats:italic>x<\/jats:italic>\n                    <\/jats:sub>\n                    (BaTiO\n                    <jats:sub>3<\/jats:sub>\n                    )\n                    <jats:sub>\n                      1\u2013\n                      <jats:italic>x<\/jats:italic>\n                    <\/jats:sub>\n                    systems. This has proven to be an effective method for diffraction experiments with relatively low resolution, weak peak splitting or compositionally complex multiphase samples.\n                  <\/jats:p>","DOI":"10.1107\/s1600577519007902","type":"journal-article","created":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T12:40:36Z","timestamp":1564663236000},"page":"1638-1643","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":1,"title":["Revealing phase boundaries by weighted parametric structural refinement"],"prefix":"10.1107","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9071-7109","authenticated-orcid":true,"given":"Frederick","family":"Marlton","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0499-4885","authenticated-orcid":true,"given":"Stefano","family":"Checchia","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Daniels","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2019,8,1]]},"reference":[{"key":"fv5105_bb1","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1016\/j.matlet.2012.12.053","volume":"94","author":"Bennett","year":"2013","journal-title":"Mater. 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