通过固相法制备了(1-x)(0.9462Ko.5Nao.5NbO3-0,0498LiSbO3-0.004BiFeO3)-xCo0.85Cuo.15Fe2O4 (1-x)(KNNLS-BFO)-xCCFO)(x=0.1、0.2、0.3、0.4、0.5)复合多铁性磁电陶瓷.XRD分析表明:烧结后的样品为复合的钙钛矿和尖晶石结构,没有发现杂相产生.SEM照片显示KNN-LS-BFO晶粒生长完好尺寸较大,而CCFO晶粒尺寸较小.当x从0,1增加到0.5时,复合材料的压电系数从120 pC/N减小到33 pC/N,而饱和磁化强度和剩磁增加,饱和磁致伸缩系数从18×10-6增加到51.5×10-6左右.材料的磁电耦合系数随着外磁场的增加先增大到极大值后再减小;当交变磁场频率为1 kHz,x=0.3时材料的磁电电压系数达到最大值20.6 mV/A.
参考文献
| [1] | Yu J,Chu J H.Progress and prospect for high temperature singlephased magnetic ferroelectrics.Chin.Sci.Bull.,2008,53(14):2097-2112. |
| [2] | Fiebig M.Revival of the magnetoelectric effect.J.Phys.D:Appl.Phys.,2005,38(8):123-152. |
| [3] | Cheong S W,Mostovoy M.Multiferroics:a magnetic twist for ferroelectricity.Nature Mater.,2007,6:13-20. |
| [4] | Hill N A.Why are there so few magnetic ferroelectrics.J.Phys.Chem.B.,2000,104(29):6694-6709 |
| [5] | HE Hong-Cai,LIN Yuan-Hua,NAN Ce-Wen.Multiferroic magnetoelectric composite film,Chin.Sci.Bull.,2008,53(10):1136-1148. |
| [6] | Duong G V,Groessinger R,Turtelli S.Effect of structure on magnetoelectric properties of CoFe2O4-BaTiO3 multiferroic composites.J.Magn.Magn.Mater.,2007,310(2):361-363. |
| [7] | Zhou Y,Zhang J C,Li L,et al.Multiferroic composites in nano-microscale with non-solid solution by Co-ferrite and (K05Na0.5)NbO3-based ferroelectric matrix.J.Alloys Compd.,2009,484(1):535-539. |
| [8] | Jiang M H,Liu X Y,Chen G H.Phase structures and electrical properties of new lead-free Na0.5K0.5NbO3-LiSbO3-BiFeO3 ceramics.Scrip.Mater.,2009,60(10):909-912. |
| [9] | Bhame S D,Joy P A.Enhanced magnetostrictive properties of CoFe2O4 synthesized by an autocombustion method.Sens.Actuators,2007,137(2):256-261. |
| [10] | Manoj Kumar,Yadav K L.Synthesis of nanocrystalline xCuFe2O4-(1-x)BiFeO3 magnetoelectric composite by chemical method.Mater.Len.,2007,61(8):2089-2092. |
| [11] | Lu J,Pan D A,Yang B,et al.Wideband magnetoelectric measurement system with the application of a virtual multi-channel lock-in amplifier.Mater.Sci.Tech.,2008,19(4):1-4. |
| [12] | Kanamadi C M,Kulkarni S R,Patankar K K,et al.Magnetoelectric and dielectric properties of Ni0.5Cu0.5Fe2O4-Ba0.5Pb0 5Ti0 5Zr0.5O3 ME composites.J.Mater.Sci.,2007,42(13):5080-5084. |
| [13] | Yan X,Ren W,Wu X Q,et al.Lead-free (K,Na)NbO3 ferroelectric thin films:preparation,structure and electrical properties.J.Alloys Compd.,2010,508(1):129-132. |
| [14] | XIANG Yong,XIE Dao-Hua.The Development of spinel structure functional materials.J Magn.Mater.Devices,2001,32(3):21-25. |
| [15] | Diao Chun-Li,Lou Guang-Hui.The research status and prospect of ferrite magnetic materials.ShanDong Ceramics.2006,29(1):18-21. |
| [16] | HU Jun,YAN Mi,BAO Da-Xin,et al.High permeability NiZn ferrites sintered at a low temperature of 930℃.Journal of Functional Materials,2005,6(36):853-855. |
| [17] | YU Zhi-Song,TIAN Zhi-Dong,XIONG Rui.Size-controlling preparation of CoFe2O4 nano-particles and its magnetic properfies.J.Wuhan Univ.,2009,55(2):177-181. |
| [18] | Ren S Q,Weng L Q,Song S H,et al.BaTiO3/CoFe2O4particulate composites with large high frequency magnetoetectric response,J.Mater.Sci.,2005,40(16):4375-4378. |
| [19] | Duong G V,Groessinger R,Turtelli R S.Magnetoelectricproperties of CoFe2O4-BaTiO3 core-shellstructure composite.J.Magn.Magn.Mater.,2006,42(10):3611-3613. |
| [20] | 近角聪信,著.葛世慧,译.铁磁性物理.兰州:兰州大学出版社,2002:297-317. |
| [21] | Chen W,Shannigrahi S,Chen X F,et al.Multiferroic behavior and magnetoelectric effect in CoFe2O4/Pb(Zr0.s3Ti0.47)O3 thick films,Solid.State.Commun.,2010,150(5):271-274. |
| [22] | Patil D R,Lokare S A,Devan R S,et al.Dielectric properties and magnetoelectric effect of (x)NiFe2O4+(1-x)Ba0.8Sr0.2TiO3 composites.J.Phys.Chem Solids,2007,68(8):1522-1526. |
| [23] | Srinivasan G,Devreugd C P,Flattery C S.Magnetoelectric interactions in hot-pressed nickel zinc ferrite and lead zirconante titanate composites.Appl.Phys.Lett.,2004,85(13):2550-2552. |
| [24] | Shi Z,Nan C W,Zhang J,et al.Magnetoelectric properties of multiferroic composites with pseudo-1-3-type structure.J,Appl.Phys.,2006,99(12):1241081-1241085. |
| [25] | YANG Chang-Hai,WEN Yu-Mei,LI Ping,et al.Influence of bias magnetic field on magnetoelectric effect of magneto strictive/elastic/piezoelectric laminated composite.Acta Physica Sinica,2008,57(11):7292-7296. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%