采用坩埚下降法生长了具有准同型相界(MPB)组分的65Pb(Mg1/3Nb2/3)O3-35PbTiO3 (PMNT65/35)弛豫铁电单晶.用偏光显微镜研究了(001)、(110)和(111)三个结晶学取向的铁电畴结构,观察到明暗交替的变化.通过对极化前后电畴形状的比较,分析了极化前后铁电畴形态的变化原因.晶片极化条件为:600 V/mm 的电场并保持10～15 min.研究了极化介质不同对极化后晶片压电性能的影响.
参考文献
| [1] | Joe Kelly;Mark Leonard;Chutima Tantigate .Effect of composition on the electromechanical properties of (1-x)Pb(Mg_1/3)O_3-xPbTiO_3 ceramics[J].Journal of the American Ceramic Society,1997(4):957-964. |
| [2] | Maureen L Mulvihill;Seung-Eek Park;George Risch et al.The Role of Processing Variables in the Flux Growth of Lead Zinc Niobate-Lead Titanate Relaxor Ferroelectric Single Crystals[J].Japanese Journal of Applied Physics Part 1:Regular Papers and Short Notes and Review Papers,1996,35(07):3984-3990. |
| [3] | Park SE.;Shrout TR. .ULTRAHIGH STRAIN AND PIEZOELECTRIC BEHAVIOR IN RELAXOR BASED FERROELECTRIC SINGLE CRYSTALS[J].Journal of Applied Physics,1997(4):1804-1811. |
| [4] | Kobayashi T;Shimanuki S;Saitoh S et al.Improved Growth of Large Lead Zinc Niobate Titanate Piezoelectric Single Crystals for Medical Ultrasonic Transducers[J].Japanese Journal of Applied Physics Part 1:Regular Papers and Short Notes and Review Papers,1997,36(9B):6035-6038. |
| [5] | 徐家跃;金敏.新型弛豫铁电晶体--生长、性能及应用[M].北京:化学工业出版社,2008 |
| [6] | Wenwu Cao.Full set material properties of multi-domain and single-domain (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 and (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 single crystals and the principle of domain engineering method[A].,2004:236-256. |
| [7] | 张良莹;姚熹.电介质物理[M].西安:西安交通大学出版社,1991 |
| [8] | Walter J .Merz,Domain formation and domain wall motions in ferroelectric BaTiO3 single crystal[J].Physical Review,1954,95(03):690-698. |
| [9] | Elizabeth A .Little,Dynamic Behavior of Domain Walls in Barium Titanate[J].Physical Review,1955,98(04):978-984. |
| [10] | 程鸣 .PMN-PT弛豫铁电单晶的生长机制与结构特性研究[D].北京:清华大学,2006. |
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