Synthesis and Characterization of PEG-Sr Hexaferrite by Sol-Gel Conversion

被引：18
|
作者：
Baykal, A. [1 ]
Durmus, Z. [1 ]
Toprak, M. S. [2 ]
Sozeri, H. [3 ]
机构：
[1] Fatih Univ, Dept Chem, TR-34500 Istanbul, Turkey
[2] Royal Inst Technol KTH, Funct Mat Div, SE-16440 Stockholm, Sweden
[3] TUBITAK UME, Natl Metrol Inst, TR-41700 Gebze, Kocaeli, Turkey
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 06期
关键词：
Polyethylene glycol; Hexaferrites; Magnetization; SEM; XRD; BARIUM HEXAFERRITE; MAGNETIC-PROPERTIES; STRONTIUM HEXAFERRITE; ELECTRICAL-PROPERTIES; HEXAGONAL FERRITES; BAFE12O19; POWDERS; COPRECIPITATION; NANOPARTICLES; CRYSTALLIZATION;
D O I：
10.1007/s10948-012-1548-7
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Sr-M-type hexagonal ferrites have been prepared via a sol-gel route, and the effects of addition of different molecular weight polyethylene glycol (PEG) into the sol solutions on the static magnetic properties and particle morphology have been studied. Crystalline phases of the samples were determined by XRD analysis. FT-IR and TG analyses were used to prove the presence of PEG on SrFe12O19. The results showed that adding PEG with different molecular weight into the sol solutions affected the formation mechanism of SrFe12O19. Sr-M precursors prepared by various PEG types show different magnetic behaviors after precalcination at 150 degrees C. This discrepancy is explained by the formation of a different phase during the synthesis of SrM particles.
引用
收藏
页码：2003 / 2008
页数：6
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