本文以Fe(NO_3)_3·9H_2O 和Bi(NO_3)_3·5H_2O为反应原料,以KOH为矿化剂, 利用水热方法在矿化剂浓度4.5 mol/L至12.0 mol/L区域内制备出钙钛矿结构的BiFeO_3粉体材料.经过XRD慢扫(扫描速率为0.008°/s)及peakfit软件模拟分析得知,在KOH浓度由4.5～12.0 mol/L转变的过程中,产物的物相由三方相BiFeO_3向六方相BiFeO_3的转变.同时BiFeO_3铁电性能研究也证实了以上相变的存在.
参考文献
| [1] | Kimura T;Goto T;Shintani H et al.Magnetic Control of Ferroelectric Polarization[J].Nature,2003,426:55-58. |
| [2] | 刘红日,刘堂昆.铁磁电材料BiFeO3及研究进展[J].材料导报,2005(05):90-93. |
| [3] | Filippetti A.;Hill NA. .First principles study of structural, electronic and magnetic interplay in ferroelectromagnetic yttrium manganite[J].Journal of Magnetism and Magnetic Materials,2001(1/2):176-189. |
| [4] | Popov Y F .Features of the Magnetoelectric Properties of BiFeO_3 in High Magnetic fields[J].Low Temperature Physics,2001,27:478-479. |
| [5] | Kumar MM.;Srinivas K.;Suryanarayana SV.;Palkar VR. .Ferroelectricity in a pure BiFeO3 ceramic[J].Applied physics letters,2000(19):2764-2766. |
| [6] | Y. P. Wang;L. Zhou;M. F. Zhang;X. Y. Chen;J.-M. Liu;Z. G. Liu .Room-temperature saturated ferroelectric polarization in BiFeO_(3) ceramics synthesized by rapid liquid phase sintering[J].Applied physics letters,2004(10):1731-1733. |
| [7] | Mai H X;Sun L D;Zhang Y W et al.Shape-selective Synthesis and Oxygen Storage Behavior of Ceria Nanopolyhedra,Nanorods and Nanocubes[J].Journal of Physical Chemistry B,2005,109(51):24380-24385. |
| [8] | Zhang, C;Zhu, YF .Synthesis of square Bi2WO6 nanoplates as high-activity visible-light-driven photocatalysts[J].Chemistry of Materials,2005(13):3537-3545. |
| [9] | Han BT;Huang YH;Wu XJ;Wu CL;Wei W;Peng B;Huang W;Goodenough JR .Tunable synthesis of bismuth ferrites with various morphologies[J].Advanced Materials,2006(16):2145-2148. |
| [10] | Yonggang Wang;Gang Xu;Zhaohui Ren .Mineralizer-Assisted Hydrothermal Synthesis and Characterization of BiFeO_3 Nanoparticles[J].Journal of the American Ceramic Society,2007(8):2615-2617. |
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%