Synthesis and Magnetic Properties of SrO-Fe_2O_3-B_2O_3 Glass-Ceramics

D. D. Zaitsev; P. E. Kazin; A. V. Garshev; Yu. D. Tretyakov; M. Jansen

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Synthesis and Magnetic Properties of SrO-Fe_2O_3-B_2O_3 Glass-Ceramics

机译：SrO-Fe_2O_3-B_2O_3微晶玻璃的合成及磁性

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Glasses with nominal compositions of SrFe_(12)O_(19) + 8SrB_2O_4 (Ⅰ) and SrFe_(12)O_(19) + 12Sr_2B_2O_5 (Ⅱ) are prepared by rapid quenching from the liquid state and are converted to glass-ceramics containing fine magnetic particles of SrFe_(12)O_(19) by heat treatment between 600 and 950℃. The materials are characterized by x-ray diffraction, differential thermal analysis, electron microscopy, and magnetic measurements. The phase transformations accompanying glass crystallization are identified. The glass composition and heat-treatment conditions are shown to influence the aspect ratio of the forming submicron-sized strontium hexaferrite particles. The strongest coercive fields reached in glass-ceramics Ⅰ and Ⅱ are 504 and 456 kA/m, respectively.

机译：通过从液体中快速淬灭制备标称成分为SrFe_（12）O_（19）+ 8SrB_2O_4（Ⅰ）和SrFe_（12）O_（19）+ 12Sr_2B_2O_5（Ⅱ）的玻璃，并将其转变为含微粉的玻璃陶瓷。 600〜950℃热处理得到SrFe_（12）O_（19）磁性粒子。这些材料的特征在于X射线衍射，差热分析，电子显微镜和磁测量。鉴定出伴随玻璃结晶的相变。示出了玻璃组成和热处理条件影响形成的亚微米尺寸的六锶锶铁氧体颗粒的长径比。在玻璃陶瓷Ⅰ和Ⅱ中达到的最强矫顽场分别为504和456 kA / m。

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来源
《Inorganic materials》 |2004年第8期|p.881-885|共5页
作者
D. D. Zaitsev; P. E. Kazin; A. V. Garshev; Yu. D. Tretyakov; M. Jansen;
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作者单位

Moscow State University, Moscow, 119992 Russia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Synthesis and Magnetic Properties of SrO-Fe_2O_3-B_2O_3 Glass-Ceramics

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