Exploration of Synthesis Conditions for High-Magnetization Ba-Ca-Based W-Type Hexaferrites

IF 1.1 4区物理与天体物理 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Magnetics Letters Pub Date : 2025-08-15 DOI:10.1109/LMAG.2025.3599741

Matsui Yosuke;Watanabe Kowashi;Kakizaki Koichi;Kamishima Kenji

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引用次数: 0

Abstract

This study presents the synthesis of W-type hexagonal ferrite (BaZn

$_{2}$

$_{16}$

$_{27}$

) using a powder metallurgy approach to enhance magnetic properties through controlled Ca doping. By identifying the crystalline phase and repeating to adjust the composition, we achieved a primary-phase W-type hexaferrite substituted with about Ba: Ca = 0.5: 0.5 in the chemical formula. Electron probe microanalysis results helped us reach the sample with Ba: Ca: Zn: Fe = 0.52: 0.48: 0.78: 10.73, demonstrating the highest magnetization of 131.0 A

$\cdot$

$^{2}$

/kg at 1.8 K. Our findings suggest the magnetically optimal nature of this composition for Ca-substituted Ba-based W-type ferrite. This investigation contributes to understanding Ba-Ca-based W-type hexaferrite and provides a foundation for future exploration and optimization of its magnetic properties.

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高磁化ba - ca基w型六铁体合成条件的探索

采用粉末冶金的方法，通过可控的Ca掺杂，合成了w型六方铁氧体（BaZn$_{2}$Fe$_{16}$O$_{27}$）。通过鉴定晶相，反复调整组成，得到了化学式中Ba: Ca = 0.5: 0.5左右取代的初生相w型六铁素体。电子探针微量分析结果表明，样品Ba: Ca: Zn: Fe = 0.52: 0.48: 0.78: 10.73，在1.8 K下磁化强度最高，为131.0 A$\cdot$ m$^{2}$/kg。我们的研究结果表明，这种成分对ca取代ba基w型铁氧体具有最佳的磁性。该研究有助于进一步了解ba - ca基w型六铁氧体，为进一步探索和优化其磁性能提供基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Magnetics Letters PHYSICS, APPLIED-

CiteScore

2.40

自引率

0.00%

发文量

期刊介绍： IEEE Magnetics Letters is a peer-reviewed, archival journal covering the physics and engineering of magnetism, magnetic materials, applied magnetics, design and application of magnetic devices, bio-magnetics, magneto-electronics, and spin electronics. IEEE Magnetics Letters publishes short, scholarly articles of substantial current interest. IEEE Magnetics Letters is a hybrid Open Access (OA) journal. For a fee, authors have the option making their articles freely available to all, including non-subscribers. OA articles are identified as Open Access.