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Ba(Zr0.06Ti0.94)MnxO3 ceramics were prepared by oxide solid state reaction method. The effects of Mn-doping on the phase structure, piezoelectric and dielectric properties of BZT ceramics were studied. Mn ions preferentially incorporated in the lattice acted as donors when the concentration of Mn ions is below 0.5 mol%, which improves the piezoelectric coefficient and decreases the dielectric loss. When the concentration of MnO2 doping is larger than 0.5 mol%, it accumulated at the grain boundaries and deteriorates the piezoelectric properties of BZT ceramics as a result of domain pinning effect. With the increase of MnO2 contew, the ferroelectric behaves more diffused. The BZT ceramics doped with x=0.3—0.4 mol% MnO2 showed improved properties with d33 value as high as 195—220 pC/N, dielectric permittivity εr of 7500 and loss tanδ of 2%.
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Keywords:
- Ba(Zr /
- Ti)O3 ceramics /
- Mn-doping /
- dielectric properties /
- piezoelectric properties
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[22] Liang R H, Dong X L, Chen Y, Cao F, Wang Y L 2005 Acta Phys. Sin. 54 4914 (in Chinese)[梁瑞红、董显林、陈 莹、曹 菲、王永龄 2005 54 4914]
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[25] Kamiya T, Suzuki T, Tsurumi T, Daimon M, 1992 Jpn.J. Appl. Phys. 31 3058
[26] Dong W H,Young H H 2008 Ceram. Int. 5 1341
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[1] Anwar S, Sagdeo P R, Lalla N P 2006 Solid. State. Commun. 138 331
[2] Kuang S J, Tang X G, Cheng T D, Ding N, Liu Q X 2009 Phys. Status. Solidi. A 206 745
[3] Kuang S J, Tang X G, Li L Y, Jiang Y P, Liu Q X 2009 Scripta. Mater. 61 68
[4] Zhi Y, Chen A, Guo R Y, Bhalla A S 2002 J.Appl. Phys. 92 1489
[5] Ding S W, Jia G, Wang J, He Z Y 2008 Ceram. Int. 34 2007
[6] Jida S S, Suemaus T, Miki T 1999 J. Appl. Phys. 86 2089
[7] Moura F, Simoes A Z, Cavalcante L S, Zaghete M A, Varela J A,Longo E 2008 J. Alloys. Compd. 466 L15
[8] Cao W Q, Xiong J W, Sun J P 2007 Mater. Chem. Phys. 106 338
[9] Antonelli E, Letonturier M, M’Peko J C, Hernandes A C 2009 J. Eur. Ceram. Soc. 29 1449
[10] Hao S E, Sun L, Huang J X 2008 Mater. Chem. Phys. 109 45
[11] Tian H Y, Wang Y, Miao J, Chan H L W, Choy C L 2007 J. Alloys. Compd. 431 197
[12] Li B S, Zhu Z G, Li G R, Yin Q R, Ding A L 2005 Acta Phys. Sin. 54 939. (in Chinese) [李宝山、朱志刚、李国荣、殷庆瑞、丁爱丽 2005 54 939]
[13] Zhou J, Zhao R, Chen W 2006 Acta Phys. Sin. 55 2815 (in Chinese) [周 静、赵 然、陈 文2006 55 2815]
[14] Jiang X P, Fang J W, Zeng H R, Pan X M, Chen D R, Yin Q R 2000 Acta Phys. Sin. 49 802 (in Chinese) [江向平、方健文、曾华荣、潘晓明、陈大任、殷庆瑞 2000 49 802]
[15] Hofer C, Meyer R, Bottger U, Waser R 2004 J. Eur. Ceram. Soc. 24 1473
[16] Song X P, Zhang Y G, Luo X J, Xu L F, Cao W Q, Yang C P 2009 Acta Phys. Sin. 58 4980 (in Chinese)[宋学平、张永光、罗晓婧、徐玲芳、曹万强、杨昌平 2009 58 4980]
[17] Tang X G, Chew K H, Chan H L W 2004 Acta Mater. 52 5177
[18] Liu P, Bian X B, Zhang L Y, Yao X 2002 Acta Phys. Sin. 51 1628 (in Chinese)[刘 鹏、边小兵、张良莹、姚 熹 2002 51 1628]
[19] Li Z F, Zhong W L, Qiu Z P, Ge H L, Zhang P L,Wang C L 2004 Acta Phys. Sin. 53 3200(in Chinese) [李正法、钟维烈、裘忠平、葛洪良、张沛霖、王春雷 2004 53 3200]
[20] Mao C L, Dong X L, Wang G S, Yao C H, Cao F, Cao S, Yang L H,Wang Y L 2009 Acta Phys. Sin. 58 5784(in Chinese)[毛朝梁、董显林、王根水、姚春华、曹 菲、曹 盛、杨丽慧、王永龄 2009 58 3200]
[21] Tang X G,Wang J, Wang X X, Chan H L W 2004 Solid. State. Commun. 131 163
[22] Liang R H, Dong X L, Chen Y, Cao F, Wang Y L 2005 Acta Phys. Sin. 54 4914 (in Chinese)[梁瑞红、董显林、陈 莹、曹 菲、王永龄 2005 54 4914]
[23] Lin D, Kwok K W, Chan H L W 2008 Mater. Chem. Phys. 109 455
[24] Zhong C G, Jiang Q, Fang J H, Ge C W 2009 Acta Phys. Sin. 58 3491(in Chinese)[仲崇贵、蒋 青、方靖淮、葛存旺 2009 58 3491]
[25] Kamiya T, Suzuki T, Tsurumi T, Daimon M, 1992 Jpn.J. Appl. Phys. 31 3058
[26] Dong W H,Young H H 2008 Ceram. Int. 5 1341
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