Article (Scientific journals)
Study of quasi-monophase Y-type hexaferrite Ba2Mg2Fe12O22 powder
Koutzarova, T.; Kolev, Svetoslav; Nedkov, I. et al.
2014In Micro and Nanosystems, 6 (1), p. 14-20
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Keywords :
Auto-combustion synthesis; Ba2Mg2Fe12O22; Co-precipitation; MgFe2O4; Multiferroic composite; Multiferroics properties; Y-type hexaferrite; Coprecipitation; Ferrite; Precipitation (chemical); Hexaferrites; MgFe<sub>2</sub>O<sub>4</sub>; Multiferroic composites; Multiferroics; Combustion synthesis
Abstract :
[en] We present the structural and magnetic properties of a multiferroic Ba2Mg2Fe12O22 hexaferrite composite containing a small amount of MgFe2O4. The composite material was obtained by auto-combustion synthesis and, alternatively, by co-precipitation. The Ba2Mg2Fe12O22 particles obtained by co-precipitation have an almost perfect hexagonal shape in contrast with those prepared by auto-combustion. Two magnetic phase transitions, responsible for the composite’s multiferroic properties, were observed, namely, at 183 K and 40 K for the material produced by auto-combustion, and at 196 K and 30 K for the sample prepared by co-precipitation. No magnetic phase transitions in these temperature ranges were observed for a MgFe2O4 sample, which shows that the magnesium ferrite does not affect the multiferroic properties of this type of multiferroic metarials.
Disciplines :
Chemistry
Author, co-author :
Koutzarova, T.;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko ChausseeSofia, Bulgaria
Kolev, Svetoslav;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko ChausseeSofia, Bulgaria
Nedkov, I.;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko ChausseeSofia, Bulgaria
Krezhov, Kiril;  Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee. Blvd.Sofia, Bulgaria
Kovacheva, D.;  Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., bld. 11Sofia, Bulgaria
Ghelev, C.;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko ChausseeSofia, Bulgaria
Vertruyen, Bénédicte  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale
Henrist, Catherine ;  Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
Cloots, Rudi ;  Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
Language :
English
Title :
Study of quasi-monophase Y-type hexaferrite Ba2Mg2Fe12O22 powder
Publication date :
2014
Journal title :
Micro and Nanosystems
ISSN :
1876-4029
eISSN :
1876-4037
Publisher :
Bentham Science Publishers B.V.
Volume :
6
Issue :
1
Pages :
14-20
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BAS - Bulgarian Academy of Sciences [BG]
Available on ORBi :
since 26 March 2015

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