本文计算了CNGS和CTGS压电晶体的X,Y和Z切型的声表面波速度、机电耦合系数及能流角,并与LGS晶体进行了比较,计算结果表明了CNGS和CTGS同LGS一样,同样具有声表面波速度低、机电耦合系数大、存在能流角为零的切型等优点,同时总结出声表面波特性比较好的切型,为CNGS和CTGS的声表面波应用提供了理论依据.
参考文献
| [1] | 白涛,兰敏.一些声表面波器件的市场应用及发展[J].压电与声光,2006(05):502-505. |
| [2] | Bohm J.;Hengst M.;Roewer R.;Schindler J.;Heimann RB. .Czochralski growth and characterization of piezoelectric single crystals with langasite structure: La3Ga5SiO14 (LGS), La3Ga5.5Nb0.5O14 (LGN), and La3Ga5.5Ta0.5O14 (LGT) Part I[J].Journal of Crystal Growth,1999(1/2):128-136. |
| [3] | 张国伟,韩韬,吉小军,施文康.硅酸镓镧、钽酸镓镧和铌酸镓镧的声表面波传播特性[J].上海交通大学学报,2004(01):116-119. |
| [4] | Bohm J.;Flannery C.;Frohlich HJ.;Hauke T.;Heimann RB. Hengst M.;Straube U.;Chilla E. .Czochralski growth and characterization of piezoelectric single crystals with langasite structure: La3Ga5SiO14 (LGS), La3Ga5.5Nb0.5O14 (LCN) and La3Ga5.5Ta0.5O14 (LGT) II. Piezoelectric and elastic properties[J].Journal of Crystal Growth,2000(1/4):293-298. |
| [5] | 石绪忠,袁多荣,魏爱俭,祁海峰,郭世义.Ca3NbGa3Si2O14晶体的BAW传播特性[J].人工晶体学报,2007(04):750-754. |
| [6] | 王继扬,韩荣江,尹鑫,张怀金,胡小波,邵宗书,蒋民华.硅酸镓镧晶体研究进展[J].功能材料,2003(01):9-12,16. |
| [7] | Shi Xu-zhong .Study on the Growth and Properties of CNGS and CTGS Crystals[D].济南:山东大学,2007. |
| [8] | 李良儿,俞红杰,沈晓群,施文康.解耦的声表面波波动方程的求解[J].传感技术学报,2005(01):205-208,211. |
| [9] | Chen Ge-lin;LE Guang-qi.Microwave Acoustics[M].北京:电子工业出版社,1989 |
| [10] | Shi Xuzhong;Yuan Duorong;Yin Xin et al.Crystal Growth and Dielectric,Piezoelectric and Elastic Properties of Ca3TaGa3 SiO14 Single Crystal[J].Solid State Communications,2007,142:173-176. |
| [11] | Ji Xian-jun;Han Tan;Shi Wen-kang et al.LGS Piezoelectric Crystal and Theory Invertigation of It's SAW Properties[J].Piezoelectrics and Acoustooptics,2006,26(02):135-138. |
| [12] | 武安华,徐家跃.La3Ga5SiO14单晶的生长、性能及SAW应用[J].人工晶体学报,2002(06):559-564. |
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