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When the fraction of KBr is rather small (less than 15\u2009wt%) the magnetic response of the composite is very weak and similar to that observed for the BLFO (pure KBr matrix without Bi<jats:sub>1-x<\/jats:sub>La<jats:sub>x<\/jats:sub>FeO<jats:sub>3<\/jats:sub>has no magnetic response as anticipated). However, when the fraction of KBr increases above 15%, the magnetic response of the composite changes substantially and the field dependence of magnetization reveals ferromagnetic-like hysteresis loop with a remanent magnetization about 0.14\u2009emu\/g and coercive field about 1.8 Tesla (at room temperature). Nothing similar to the ferromagnetic-like hysteresis loop can be observed in Bi<jats:sub>1-z<\/jats:sub>La<jats:sub>z<\/jats:sub>FeO<jats:sub>3<\/jats:sub>ceramics with z\u2009\u2264\u20090.15, which magnetization quasi-linearly increases with magnetic field. Different physical mechanisms were considered to explain the unusual experimental results for BLFO-KBr nanocomposites, but only those among them, which are highly sensitive to the interaction of antiferromagnetic Bi<jats:sub>0.9<\/jats:sub>La<jats:sub>0.1<\/jats:sub>FeO<jats:sub>3<\/jats:sub>with ionic conductor KBr, can be relevant.<\/jats:p>","DOI":"10.1038\/s41598-019-46834-0","type":"journal-article","created":{"date-parts":[[2019,7,18]],"date-time":"2019-07-18T10:02:38Z","timestamp":1563444158000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Ferromagnetic-like behavior of Bi0.9La0.1FeO3\u2013KBr nanocomposites"],"prefix":"10.1038","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1046-543X","authenticated-orcid":false,"given":"Dmitry V.","family":"Karpinsky","sequence":"first","affiliation":[]},{"given":"Olena M.","family":"Fesenko","sequence":"additional","affiliation":[]},{"given":"Maxim V.","family":"Silibin","sequence":"additional","affiliation":[]},{"given":"Sergei V.","family":"Dubkov","sequence":"additional","affiliation":[]},{"given":"Mykola","family":"Chaika","sequence":"additional","affiliation":[]},{"given":"Andrii","family":"Yaremkevich","sequence":"additional","affiliation":[]},{"given":"Anna","family":"Lukowiak","sequence":"additional","affiliation":[]},{"given":"Yuri","family":"Gerasymchuk","sequence":"additional","affiliation":[]},{"given":"Wies\u0142aw","family":"Str\u0119k","sequence":"additional","affiliation":[]},{"given":"Andrius","family":"Pakalni\u0161kis","sequence":"additional","affiliation":[]},{"given":"Ramunas","family":"Skaudzius","sequence":"additional","affiliation":[]},{"given":"Aivaras","family":"Kareiva","sequence":"additional","affiliation":[]},{"given":"Yevhen M.","family":"Fomichov","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7155-2473","authenticated-orcid":false,"given":"Vladimir V.","family":"Shvartsman","sequence":"additional","affiliation":[]},{"given":"Sergei V.","family":"Kalinin","sequence":"additional","affiliation":[]},{"given":"Nicholas V.","family":"Morozovsky","sequence":"additional","affiliation":[]},{"given":"Anna N.","family":"Morozovska","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2019,7,18]]},"reference":[{"key":"46834_CR1","doi-asserted-by":"publisher","first-page":"391","DOI":"10.1126\/science.1113357","volume":"309","author":"NA Spaldin","year":"2005","unstructured":"Spaldin, N. 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