[1] [1] B. Jaffe, W. R. Cook, Jr., H. Jaffe. Piezoelectric Ceramics. New York: Academic Press, 1971

[2] [2] Zhong Weilie. Ferroelectric Physics. Beijing: Science Press, 1996 (in Chinese)

[3] [3] J. R. Oliver, R. R. Neurgaonkar, L. E. Cross. Ferroelectric properties of tungsten bronze morphotropic phase boundary systems. J. Am. Ceram. Soc., 1989, 72(2):202～211

[4] [4] K. Pandya. Structure and Properties of Near MPB Compositions of Tungsten Bronze Ferroelectric Ceramics in Pb2KNb5O15-Sr2NaNb5O15 System. Ph. D. Thesis. The Pennsylvania State University, 1998

[5] [5] S. E. Park, T. R. Shrout. Ultrahigh strain and piezoelectric behavior in relaxor based ferroelectric single crystals. J. Appl. Phys., 1997, 82(4):1804～1811

[7] [7] R. S. Feigelson, W. L. Kway, R. K. Route. Single crystal fibers by laser heated pedestal growth method. Opt. Eng., 1985, 24(6):1102～1107

[9] [9] Hou Jianguo, Tang Dingyuan, Chen Chuangtian et al.. Growth of bata-barium metaborate single crystal fibers along the phase matching direction. Chin. Phys. Lett., 1990, 7(12):568～571

[10] [10] Huo Yujing. Crystal fiber. Essentials of Advanced Materials for High Technology. Beijing: Science Press, 1993. 726～731 (in Chinese)

[11] [11] Yijian Jiang, R. Guo, A. S. Bhalla. Single crystal growth and ferroelectric properties of α(Ba1-xSrx)Nb2O6:β(Na1-yKy)NbO3 solid solutions. J. Appl. Phys., 1998, 84(9):5140～5146

[12] [12] IEEE standard on piezoelectricity. 1976. American National Standard Institute