Article (Scientific journals)
Structural and magnetic characterization of Y-type hexaferrite powders prepared by sol-gel auto-combustion and sonochemistry
Georgieva, Borislava; Kolev, Svetoslav; Krezhov, Kiril et al.
2019In Journal of Magnetism and Magnetic Materials, 477, p. 131-135
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Keywords :
Magnetic properties; Sol-gel auto-combustion; Sonochemistry; Y-type hexaferrites; Barium compounds; Ferrite; Iron compounds; Magnetic fields; Magnetic susceptibility; Powders; Scanning electron microscopy; Sol-gel process; Sol-gels; Strontium compounds; Zinc compounds; Ac susceptibility; Hexa-ferrites; Magnetic characterization; Magnetic field amplitudes; Metamagnetic phase transitions; Preparation technique; Structural and magnetic properties; Combustion
Abstract :
[en] We present results from a study on the influence of the preparation technique on the structural and magnetic properties of Ba0.5Sr1.5Zn2Fe12O22 powders synthesized by citric-acid sol-gel auto-combustion and sonochemistry and characterized by X-ray diffraction, scanning electron microscopy and magnetic measurements. Two magnetic intermediate phases were observed at room temperature in magnetic fields of moderate strength. Metamagnetic phase transitions were observed in an ac magnetic field. Their temperature increased with the magnetic field amplitude. © 2019 Elsevier B.V.
Disciplines :
Physics
Chemistry
Author, co-author :
Georgieva, Borislava;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, Sofia, 1784, Bulgaria
Kolev, Svetoslav;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, Sofia, 1784, Bulgaria
Krezhov, Kiril;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, Sofia, 1784, Bulgaria
Ghelev, C.;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, Sofia, 1784, Bulgaria
Kovacheva, D.;  Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., bld. 11, Sofia, 1113, Bulgaria
Vertruyen, Bénédicte  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale
Closset, Raphaël ;  Université de Liège - ULiège > Département de chimie (sciences) > Département de chimie (sciences)
Tran, Lan Maria;  Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Ul. Okólna 2, Wroclaw, 50-422, Poland
Babij, M.;  Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Ul. Okólna 2, Wroclaw, 50-422, Poland
Zaleski, A. J.;  Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Ul. Okólna 2, Wroclaw, 50-422, Poland
Koutzarova, T.;  Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee, Sofia, 1784, Bulgaria
Language :
English
Title :
Structural and magnetic characterization of Y-type hexaferrite powders prepared by sol-gel auto-combustion and sonochemistry
Publication date :
2019
Journal title :
Journal of Magnetism and Magnetic Materials
ISSN :
0304-8853
eISSN :
1873-4766
Publisher :
Elsevier B.V.
Volume :
477
Pages :
131-135
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
WBI - Wallonie-Bruxelles International [BE]
BAS - Bulgarian Academy of Sciences [BG]
Available on ORBi :
since 12 April 2019

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