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A sandwich-like laminated composite of TbxDy1-xFe2-y/Pb(Zr, Ti)O3/TbxDy1-xFe2-y is prepared with a bonding method. The experimental study shows that the capacitance of the sample has several resonant peaks in the range of the frequency manipulated, and the resonant points shifte with the increase of applied magnetic field. The impedance of the sample also varies from capacitive to inductive ones at about the resonant point by changing the magnetic field. Giant positive and negative magnetocapacitance effects are observed simultaneously near the resonant frequency. From the constitutive equations of magnet and piezoelectrics involved, the capacitances as functions of frequency and magnetic field were theoretically modeled respectively. The results show that the experimental results are in good agreement with the theoretical ones, suggesting that the magnetocapacitance effect of the layered composite of magnetostriction/ piezoelectric originates from the magnetic field-controlled compliance coefficient of the ferromagnetic phase in the sample.
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Keywords:
- Laminate composite /
- interfacial coupling /
- magnetocapacitance effect
[1] Scott J F 2007 Nature Mater. 6 256
[2] Bichurin M I, Petrov V M, Kiliba Yu V, Srinivasan G 2002 Phys. Rev. B 66 134404
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[28] Dong S X, Cheng J R, Li J F, Viehland D 2003 Appl. Phys. Lett. 83 4812
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[34] [35] Dong S X, Li J F, Viehland D 2003 IEEE Trans. Ultrason. Ferroelectr. Freq. Control 50 1253
[36] Israel C, Petrov V M, Srinivasan G, Mathur N D 2009 Appl. Phys. Lett. 95 072505
[37] [38] Nan C W, Bichurin M I, Dong S, Viehland D, Srinivasan G 2008 J. Appl. Phys. 103 031101
[39] [40] [41] Bayrashev A, Robbins W P, Ziaie B 2004 Sensors and Actuators A 114 244
[42] Bichurin M I, Petrov V M, Srinivasan G 2003 Phys. Rev. B 68 054402
[43] -
[1] Scott J F 2007 Nature Mater. 6 256
[2] Bichurin M I, Petrov V M, Kiliba Yu V, Srinivasan G 2002 Phys. Rev. B 66 134404
[3] [4] Singh M P, Truong K D, Fournier P 2007 Appl. Phys. Lett. 91 042504
[5] [6] Subramanian M A, He T, Chen J Z, Rogado N S, Calvarese T G, Sleight A W 2006 Adv. Mater. 18 1737
[7] [8] Wan J G, Lu Qi, Chen B, Song F Q, Liu J M, Dong J B, Wang G H 2009 Appl. Phys. Lett. 95 152901
[9] [10] Castel V, Brosseau C 2008 Appl. Phys. Lett. 92 233110
[11] [12] Hemberger J, Lunkenheimer P, Ficht R, Krug von Nidda H A, Tsurk an V, Loidl A 2005 Nature(London) 434 364
[13] [14] [15] Luo B C, Zhou C C, Cheng C L, Jin K X 2009 Acta Phys. Sin. 58 4563 (in Chinese) [罗炳成、 周超超、 陈长乐、 金克新 2009 58 4563]
[16] Chen Y J, Zhang X Y, Carmine Vittoria, Harris V G 2009 Appl. Phys. Lett. 94 102906
[17] [18] [19] Catalan G 2006 Appl. Phys. Lett. 88 102902
[20] [21] Meera M. Parish1, Peter B. Littlewood 2008 Phys. Rev. Lett, 101 166602
[22] [23] Castel V, Brosseau C, Ben Youssef J 2009 J. Appl. Phys. 106 064312
[24] [25] Jang H M, Park J H, Ryu S, Shannigrahi S R 2008 Appl. Phys. Lett. 93 252904
[26] [27] Fina I, Dix N, Fbrega L, Snchez F, Fontcuberta J 2010 Thin Solid Films 518 4634
[28] Dong S X, Cheng J R, Li J F, Viehland D 2003 Appl. Phys. Lett. 83 4812
[29] [30] [31] Bichurin M I, Filippov D A, Petrov V M, Laletsin V M, Paddubnaya N 2003 Phys. Rev. B 68 132408
[32] [33] Zhang Y F, Weng Y M, Li P, Bian L X 2009 Acta Phys.Sin. 58 0546(in Chinese) [张延芳、 文玉梅、 李 平、 卞雷祥 2009 58 0546]
[34] [35] Dong S X, Li J F, Viehland D 2003 IEEE Trans. Ultrason. Ferroelectr. Freq. Control 50 1253
[36] Israel C, Petrov V M, Srinivasan G, Mathur N D 2009 Appl. Phys. Lett. 95 072505
[37] [38] Nan C W, Bichurin M I, Dong S, Viehland D, Srinivasan G 2008 J. Appl. Phys. 103 031101
[39] [40] [41] Bayrashev A, Robbins W P, Ziaie B 2004 Sensors and Actuators A 114 244
[42] Bichurin M I, Petrov V M, Srinivasan G 2003 Phys. Rev. B 68 054402
[43]
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