材料研究学报  2011, Vol. 25 Issue (6): 607-612

研究论文 本期目录 | 过刊浏览 |

Me2--W型钡铁氧体的制备及其电磁性能研究

吴燕飞, 黄英,  张银铃, 牛磊

西北工业大学大学理学院应用化学系 西安 710129

Several W-type Barium Ferrites with Different Me2 : Preparation and the Electromagnetic Properties

WU Yanfei, HUANG Ying, ZHANG Yinling, NIU Lei

Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi’an 710129

吴燕飞 黄英 张银铃 牛磊. Me2--W型钡铁氧体的制备及其电磁性能研究[J]. 材料研究学报, 2011, 25(6): 607-612.
. Several W-type Barium Ferrites with Different Me2 : Preparation and the Electromagnetic Properties[J]. Chin J Mater Res, 2011, 25(6): 607-612.

摘要 参考文献 相关文章 Metrics 全文: PDF(1400 KB)   摘要: 用溶胶--凝胶法制备了Me2-W型铁氧体(BaMe2Fe16O27), 考察了Co2+、Ni2+、Zn2+作为Me$_{2}$组合时材料电磁性能的变化。采用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、振动样品磁强计(VSM)和矢量网络分析仪等手段表征了材料的相组成、形貌, 并对其磁性能和微波吸收性能进行了初步研究。研究表明, 制得的W型铁氧体呈六角片状, 样品呈顺磁性且具备优异的磁性能。其中CoZn作为Me2掺杂的W型铁氧体组合具有更高的比饱和磁化强度和微波吸收性能, Ms达到了134.02 Am2/kg; 在吸波层厚度d为3.5 mm时, 吸收率小于-10 dB的频带宽度为5.42 GHz, 反射率为-16.23 dB。 关键词 ： 无机非金属材料,  W型铁氧体,  吸波性能,  溶胶--凝胶法,  磁损耗     Abstract：The W–type ferrites, BaMe2 Fe16O27, were prepared by sol–gel method. The performances of the ferrites were improved by changing the Me2(Co2, CoNi, CoZn). The structures, morphologies, magnetic properties and microwave absorption properties of the samples were characterized by X-ray diffractometer (XRD), scanning electron microscope (SEM), vibrating sample magnetometer (VSM) and Vector network analyzer. According the SEM observations, it is found that all the ferrites showed a hexagonal platelet–like shape. The XRD results indicated that all the samples were W-type ferrite. The synthesized samples exhibited paramagnetism and strong magnetism. Besides, the composite, which was blend with paraffin BaCoZnFe16O27/paraffin, has a better microwave absorbing property than the other ferrites. Moreover, the reflection loss of one–layer absorber with the BaCoZnFe16O27 sample was calculated. The band width (with respect to −10 dB reflection loss) is 5.42 GHz at a matching thickness of 3.50 mm and the maximal reflection loss is −16.23 dB. Key words： inorganic non-metallic materials    W–type barium ferrite    microwave absorbing property    sol–gel method    electromagnetic properties 收稿日期: 2011-03-22      ZTFLH:  TM277   基金资助: 航天科技创新基金N9XT0001和航天支撑技术基金N8XW0002资助项目。 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 吴燕飞 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y2011/V25/I6/607 1 K.Kamala Bharathi, G.Markandeyulu, C.V.Ramana, Structural, magnetic, electrical, and magnetoelectric properties of Sm– and Ho–substituted nickel ferrites, Journal of Physical of Chemistry C, 115, 554(2011) 2 V.Caignaert, A.M.Abakumov, A new mixed-valence ferrite with a cubic structure, YBaFe4O7: spin-glass-like behavior, Chemistry of Materials, 21, 1116(2009) 3 L´aszl´oTrif, Gyula Tolnai, Istv´an Saj´o, Preparation and characterization of hexagonal W–type barium ferrite nanoparticles, Progress in Colloid and Polymer Science, 135, 38(2008) 4 P.S.Sawadh, D.K.Kulkarni, Structural and magnetic properties of CaMg2Fe16O27 , Bulletin of Materials Science, 24, 47(2001) 5 XU Jijing, ZOU Haifeng, LI Hongying, Influence of Nd3+ substitution on the microstructure and electromagnetic properties of barium W–type hexaferrite, Journal of Alloys and Compounds, 490, 552(2010) 6 HUANG Xiaogu, ZHANG Jing, WANG Hongzhou, Er3+–substituted W–type barium ferrite: preparation and electromagnetic properties, Journal of Rare Earths, 28, 940(2010) 7 WANG Lixi, SONG Jie, ZHANG Qitu, The microwave magnetic performance of Sm3+ doped BaCo2Fe16O27, Journal of Alloys and Compounds, 481, 863(2009) 8 A.M.Abo El Ata, M.K.El Nimr, D.El Kony, Dielectric and magnetic permeability behavior of BaCo2−xNixFe16O27 W–type hexaferrites, Journal of Magnetism and Magnetic Materials, 204, 36(1999) 9 A.M.Abo El Ata, M.K.El Nimr, D.El Kony, Conduction mechanism of BaCo2−xNixFe16O27, Journal of Magnetism and Magnetic Materials, 202, 397(1999) 10 M.A.Ahmeda, N.Okasha, R.M.Kershi, Could Mg content control the conduction mechanism of Ba Co Zn–W–type hexagonal ferrites, Journal of Magnetism and Magnetic Materials, 321, 3967(2009) 11 LI Z.W, WU Y.P, LIN G.O, CHEN Lifeng, Static and dynamic magnetic properties of CoZn substituted Z-type barium ferrite Ba3CoxZn2−xFe24O41composites, Journal of Magnetism and Magnetic Materials, 310, 145(2007) 12 LI Hongying, ZOU Haifeng, YUAN Lanying, Preparation and characterization of W–type hexaferrite doped with La3+, Journal of Rare Earths, 25, 590(2007) 13 Hsing-I Hsiang, Chi-Shiung Hsi, Tin-Chin Lee, Effects of glass additions on 3Ba0.5Sr0.5O2CoO·12Fe2O3 for highfrequency applications, Journal of Magnetism and Magnetic Materials, 268, 186(2004) 14 SHEN Guozhu, XU Zheng , LI Yi, Absorbing properties and structural design of microwave absorbers based on W– type La–doped ferrite and carbon fiber composites, Journal of Magnetism and Magnetic Materials, 301, 325(2006) 15 DU Lei, DU Yun Chen, LI You, Surfactant-assisted solvothermal synthesis of Ba(CoTi)xFe12−2xO19 nanoparticles and enhancement in microwave absorption properties of polyaniline, Journal of Physical of Chemistry C, 114, 19600(2010) 16 Faiza Aena, Shahida B.Niazib, M.U.Islama, Effect of holmium on the magnetic and electrical properties of barium based w–type hexagonal ferrites, Ceramics International, 37, 1725(2011) 17 XU Ping, HAN Xijiang, WANG Chao, Synthesis of electromagnetic functionalized barium ferrite nanoparticles embedded in polypyrrole, Journal of Physical of Chemistry B, 112, 2775(2008) 18 LI Huifeng, HUANG Yunhua, SUN Genban, Directed growth and microwave absorption property of crossed ZnO netlike micro-/nanostructures, Journal of Physical of Chemistry C, 114, 10088(2010) 19 ZHANG Yougang, Magnetic Materials, 1, (Chengdu, Chengdu telecom engineering college press, 1981) p.224 (张友刚,  磁性材料,  (成都, 成都电讯工程学院出版社, 1981) p.224) 20 S.M.Abbas, A.K.Dixit, R.Chatterjee, Complex permittivity, complex permeability and microwave absorption properties of ferrite-polymer composites, Journal of Magnetism and Magnetic Materials, 309, 20(2007)   [1] 宋莉芳, 闫佳豪, 张佃康, 薛程, 夏慧芸, 牛艳辉. 碱金属掺杂MIL125的CO2 吸附性能[J]. 材料研究学报, 2023, 37(9): 649-654. 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