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Combining the motion equation with the constitutive equations of the magnetostrictive and piezoelectric materials and considering the influence of the finite input impedance of the capacitance of coaxial cable and the measuring instrument on output voltage produced by magnetoelectric element, the theoretical formula of magnetoelectric voltage sensitivity was derived. A sandwich structureed magnetoelectric element consisting of one-dimensional terfenol-D thin bars and transversely polarized Pb(Zr1-xTix)O3 piezoelectric materials was developed. The property of the element was tested also. The theoretical results are in better agreement with the experimental after taking account of the finite input impedance. The theoretical results show that the magnetic sensitivity of the magnetoelectric element at lower excitation frequency and with finite input impedance is about 150 mV/Oe, while the magnetic sensitivity in open circuit situation is about 290 mV/Oe.
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Keywords:
- magnetoelectric effect /
- finite input impedance /
- piezoelectric-magnetostrictive composite /
- one-dimensional magnetostrictive material
[1] Eerenstein W, Mathur N D, Scott J F 2006 Nature 442 759
[2] Spaldin N A, Fiebig M 2005 Science 309 391
[3] Dong S, Li J F, Viehland D 2003 Appl. Phys. Lett. 83 2265
[4] Guo S S, Lu S G, Xu Z, Zhao X Z, Or S W 2006 Appl. Phys. Lett. 88 182906
[5] Nan C W, Bichurin M I, Dong S 2008 J. Appl. Phys. 103 031101
[6] Or S W, Cai N 2006 Solid State Phenom 111 147
[7] Zhang N, Liang D K, Schneider T, Srinivasan G 2007 J. Appl. Phys. 101 083902
[8] Zhang Y, Deng C Y, Ma J, Lin Y H, Nan C W 2008 Chin. Phys. B 17 3910
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[11] Dong S, Zhai J Y, Li J F, Viehland D 2006 Appl. Phys. Lett. 88 082907
[12] Duan C G 2009 Progress in Phys. 29 215 (in Chinese) [段纯刚 2009 物理学进展 29 215]
[13] Jia Y M, Or S W, Wang J, Chan H L W, Zhao X Y, Luo H 2007 J. Appl. Phys. 101 104103
[14] Bian L X, Wen Y M, Li P 2009 Acta Phys. Sin. 58 4205 (in Chinese) [卞雷祥、 文玉梅、 李 平 2009 58 4205]
[15] Yang F, Wen Y M, Li P, Zheng M, Bian L X 2007 Acta Phys. Sin. 56 3539 (in Chinese) [扬 帆、 文玉梅、 李 平、 郑 敏、 卞雷祥 2007 56 3539]
[16] Yang C H, Wen Y M, Li P, Bian L X 2008 Acta Phys. Sin. 57 7292 (in Chinese) [阳昌海、 文玉梅、 李 平、 卞雷祥 2008 57 7292]
[17] Luan G D, Zhang J D, Wang R Q 2005 Piezoelectric Transducer and Transducer Array (Revised edition)(Beijing: Peking Univ. Press) p109 (in Chinese)[栾桂冬、 张金铎、 王仁乾 2005 压电换能器和换能器阵(修订版)(北京: 北京大学出版社) 第109页]
[18] Record P, Popov C, Fletcher J, Abraham E, Huang Z, Chang H, Whatmore R W 2007 Sensors and Actuators B 126 344
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[1] Eerenstein W, Mathur N D, Scott J F 2006 Nature 442 759
[2] Spaldin N A, Fiebig M 2005 Science 309 391
[3] Dong S, Li J F, Viehland D 2003 Appl. Phys. Lett. 83 2265
[4] Guo S S, Lu S G, Xu Z, Zhao X Z, Or S W 2006 Appl. Phys. Lett. 88 182906
[5] Nan C W, Bichurin M I, Dong S 2008 J. Appl. Phys. 103 031101
[6] Or S W, Cai N 2006 Solid State Phenom 111 147
[7] Zhang N, Liang D K, Schneider T, Srinivasan G 2007 J. Appl. Phys. 101 083902
[8] Zhang Y, Deng C Y, Ma J, Lin Y H, Nan C W 2008 Chin. Phys. B 17 3910
[9] Cao H X, Zhang N 2008 Acta Phys. Sin. 57 3237 (in Chinese) [曹鸿霞、 张 宁 2008 57 3237]
[10] Ma J, Shi Z, Lin Y H, Nan C W 2009 Acta Phys. Sin. 58 5852 (in Chinese) [马 静、 施 展、 林元华、 南策文 2009 58 5852]
[11] Dong S, Zhai J Y, Li J F, Viehland D 2006 Appl. Phys. Lett. 88 082907
[12] Duan C G 2009 Progress in Phys. 29 215 (in Chinese) [段纯刚 2009 物理学进展 29 215]
[13] Jia Y M, Or S W, Wang J, Chan H L W, Zhao X Y, Luo H 2007 J. Appl. Phys. 101 104103
[14] Bian L X, Wen Y M, Li P 2009 Acta Phys. Sin. 58 4205 (in Chinese) [卞雷祥、 文玉梅、 李 平 2009 58 4205]
[15] Yang F, Wen Y M, Li P, Zheng M, Bian L X 2007 Acta Phys. Sin. 56 3539 (in Chinese) [扬 帆、 文玉梅、 李 平、 郑 敏、 卞雷祥 2007 56 3539]
[16] Yang C H, Wen Y M, Li P, Bian L X 2008 Acta Phys. Sin. 57 7292 (in Chinese) [阳昌海、 文玉梅、 李 平、 卞雷祥 2008 57 7292]
[17] Luan G D, Zhang J D, Wang R Q 2005 Piezoelectric Transducer and Transducer Array (Revised edition)(Beijing: Peking Univ. Press) p109 (in Chinese)[栾桂冬、 张金铎、 王仁乾 2005 压电换能器和换能器阵(修订版)(北京: 北京大学出版社) 第109页]
[18] Record P, Popov C, Fletcher J, Abraham E, Huang Z, Chang H, Whatmore R W 2007 Sensors and Actuators B 126 344
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