{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T14:36:02Z","timestamp":1770561362883,"version":"3.49.0"},"reference-count":26,"publisher":"AIP Publishing","issue":"8","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2012,10,15]]},"abstract":"<jats:p>The effect of Mn doping on crystal structure and magnetic behavior of the polar antiferromagnetic and antipolar weak ferromagnetic phases of the Bi1\u2212xLaxFeO3 system was investigated. Both reference compounds, Bi0.87La0.13FeO3 (space group R3c, tilting scheme (a\u2212a\u2212a\u2212)] and Bi0.82La0.18FeO3 [space group Pnam, tilting scheme (a\u2212a\u2212c+)\/(a\u2212a\u2212c\u2212)], were shown to undergo the Mn doping induced structural phase transformation towards the average Imma (a\u2212b0a\u2212) symmetry. Magnetization measurements performed for the compounds with the close to maximal manganese concentration (y\u2009=\u20090.4) found complex temperature-dependent behavior that can be indicative of a spin-reorientation transition. Enhanced spontaneous magnetization characteristic of the Mn-enriched x\u2009=\u20090.13 and x\u2009=\u20090.18 samples at low temperature is consistent with a competitive character of the superexchange interactions peculiar to the Fe\/Mn containing perovskite systems.<\/jats:p>","DOI":"10.1063\/1.4759435","type":"journal-article","created":{"date-parts":[[2012,10,19]],"date-time":"2012-10-19T23:13:54Z","timestamp":1350688434000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":28,"title":["Structural transitions and unusual magnetic behavior in Mn-doped Bi1\u2212xLaxFeO3 perovskites"],"prefix":"10.1063","volume":"112","author":[{"given":"V. A.","family":"Khomchenko","sequence":"first","affiliation":[{"name":"CEMDRX\/Department of Physics, University of Coimbra 1 , P-3004-516 Coimbra, Portugal"}]},{"given":"I. O.","family":"Troyanchuk","sequence":"additional","affiliation":[{"name":"SSPA \u201cScientific-Practical Materials Research Centre of NAS of Belarus,\u201d 2 P. Brovka str. 19, 220072 Minsk, Belarus"}]},{"given":"D. V.","family":"Karpinsky","sequence":"additional","affiliation":[{"name":"CICECO\/Department of Materials and Ceramic Engineering, University of Aveiro 3 , P-3810-193 Aveiro, Portugal"}]},{"given":"S.","family":"Das","sequence":"additional","affiliation":[{"name":"CICECO\/Department of Physics, University of Aveiro 4 , P-3810-193 Aveiro, Portugal"}]},{"given":"V. 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