利用溶胶-凝胶工艺在ITO/玻璃衬底上制备了纯相铁酸铋(BiFeO3,BFO)和镍掺杂铁酸铋(BiFe09Ni0.1O3,BFNO)薄膜.X-射线衍射(XRD)测试表明纯相和镍掺杂铁酸铋分别为扭曲钙钛矿结构和四方相结构,具有不同的空间对称性.镍掺杂后(012)衍射峰宽化,峰强变弱,说明晶粒变小,并由原子力显微镜(AFM)测试得到验证.镍掺杂铁酸铋具有更大的介电常数和较小的漏电流.铁电测试仪和振动样品磁强计(VSM)测试结果表明镍的掺入可以迸一步提高铁酸铋的室温铁电性和铁磁性.
参考文献
| [1] | Neaton JB;Ederer C;Waghmare UV;Spaldin NA;Rabe KM .First-principles study of spontaneous polarization in multiferroic BiFeO3[J].Physical review, B. Condensed matter and materials physics,2005(1):4113-1-4113-8-0. |
| [2] | T.ZHAO;A.SCHOLL;F.ZAVALICHE .Electrical control of antiferromagnetic domains in multiferroic BiFeO_3 films at room temperature[J].Nature materials,2006(10):823-829. |
| [3] | YING-HAO CHU;LANE W.MARTIN;MIKEL B.HOLCOMB .Electric-field control of local ferromagnetism using a magnetoelectric multiferroic[J].Nature materials,2008(6):478-482. |
| [4] | Jang HW;Baek SH;Ortiz D;Folkman CM;Eom CB;Chu YH;Shafer P;Ramesh R;Vaithyanathan V;Schlom DG .Epitaxial (001) BiFeO3 membranes with substantially reduced fatigue and leakage[J].Applied physics letters,2008(6):62910-1-62910-3-0. |
| [5] | Lou XJ;Zhang M;Redfern SAT;Scott JF .Local phase decomposition as a cause of polarization fatigue in ferroelectric thin films[J].Physical review letters,2006(17):7601-1-7601-4-0. |
| [6] | 不同电极对外延BiFeO3薄膜铁电性能的影响[J].人工晶体学报,2012(06):1561-1565. |
| [7] | Shannigrahi SR;Huang A;Chandrasekhar N;Tripathy D;Adeyeye AO .Sc modified multiferroic BiFeO3 thin films prepared through a sol-gel process[J].Applied physics letters,2007(2):22901-1-22901-3-0. |
| [8] | Dong Xu;Liyi Shi;Zhenhong Wu .Microstructure and electrical properties of ZnO-Bi_2O_3 -based varistor ceramics by different sintering processes[J].Journal of the European Ceramic Society,2009(9):1789-1794. |
| [9] | Song, G.L.;Zhang, H.X.;Wang, T.X.;Yang, H.G.;Chang, F.G. .Effect of Sm, Co codoping on the dielectric and magnetoelectric properties of BiFeO _3 polycrystalline ceramics[J].Journal of Magnetism and Magnetic Materials,2012(13):2121-2126. |
| [10] | A. Huang;S.R. Shannigrahi .Effect of bottom electrode and resistive layer on the dielectric and ferroelectric properties of sol-gel derived BiFeO_3 thin films[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2011(5):2054-2059. |
| [11] | 赵庆勋,张婷,马继奎,魏大勇,王宽冒,刘保亭.沉积温度对磁控溅射BiFeO3薄膜结构和性能的影响[J].人工晶体学报,2011(04):921-925. |
| [12] | Liu, HR;Wang, XZ .Study on the Ce substitution effects of BiFeO3 films prepared by a sol-gel process[J].Solid State Communications,2008(5/6):203-205. |
| [13] | Yu BF;Li MY;Liu J;Guo DY;Pei L;Zhao XZ .Effects of ion doping at different sites on electrical properties of multiferroic BiFeO3 ceramics[J].Journal of Physics, D. Applied Physics: A Europhysics Journal,2008(6):65003-1-65003-4-0. |
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