{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T13:28:41Z","timestamp":1770989321094,"version":"3.50.1"},"reference-count":19,"publisher":"AIP Publishing","issue":"5","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2010,2,1]]},"abstract":"<jats:p>The coordination of Mn in doped SrTiO3 ceramics having nominal compositions SrTi0.98Mn0.02O3 and Sr0.98Mn0.02TiO3 was analyzed using x-ray absorption fine structure (XAFS) measurements. As expected, Mn4+ substitution for Ti4+ leads to Mn occupancy of the octahedral B-sites of ABO3 perovskite lattice with a Mn\u2013O bond distance of 1.902 \u00c5 (compared to 1.953 \u00c5 for Ti\u2013O) and no significant local distortions around the Mn atoms. In contrast, for the composition Sr0.98Mn0.02TiO3, Mn segregates to both the A-sites (as Mn2+) and the B-sites (predominantly as Mn4+). Extended XAFS confirms strong (\u22480.77\u2002\u00c5) displacements of Mn2+ cations off the ideal A-site positions along \u27e8001\u27e9 directions with a significant distortion of several coordination shells around the dopant atoms.<\/jats:p>","DOI":"10.1063\/1.3298369","type":"journal-article","created":{"date-parts":[[2010,2,3]],"date-time":"2010-02-03T23:39:06Z","timestamp":1265240346000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":56,"title":["X-ray absorption fine structure studies of Mn coordination in doped perovskite SrTiO3"],"prefix":"10.1063","volume":"96","author":[{"given":"I.","family":"Levin","sequence":"first","affiliation":[{"name":"National Institute of Standards and Technology 1 Ceramics Division, , Gaithersburg, Maryland 202899, USA"}]},{"given":"V.","family":"Krayzman","sequence":"additional","affiliation":[{"name":"National Institute of Standards and Technology 1 Ceramics Division, , Gaithersburg, Maryland 202899, USA"}]},{"given":"J. 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