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BaxSr1-xTiO3 (0.40≤x≤0.70) ceramics have been prepared by the conventional solid-state reaction method. The changes of vibration modes in the pure BaxSr1-xTiO3 system have been investigated for an in-situ electric field by Raman spectra, and the transition from the cubic phase to tetragonal phases were obviously observed near the Curie temperature (Tc). Detailed results indicate that the A1(TO3) and E(TO4) modes correspond to the vibrations of O-Ti-O bond along a-axis in the ab plane, which are strongly related to the lattice structure of ABO3. With increasing electric field, the intensity of A1(TO3)/E(TO4) ratio is increased, suggesting that more and more paraelectric states are transformed into ferroelectric states, thus leading to the deformation of lattice, which results in the decrease of dielectric constant and the increase of tunability. The electric-induced-structure phase transitions responsible for the nonlinear dielectric properties are also discussed.
[1] Tagantsev A K, Sherman V O, Astafiev K F, Venkatesh J, Setter N 2003 J. Electroceram. 11 5
[2] Nenasheva E A, Kanareykin A D, Kartenko N F, Dedyk A I, Karmanenko S F 2004 J. Electroceram. 13 235
[3] Maiti T, Guo R, Bhalla A S 2007 Appl. Phys. Lett. 90 182901
[4] Wei X Y, Yao X 2003 Mater. Sci. and Eng. B 99 74
[5] 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]
[6] Zhong W L 1996 Ferroelectrics (Beijing: Science Press) p430 (in Chinese) [钟维烈 1996 铁电物理学 (北京: 科学出版社) 第430页]
[7] Johnson K M 1962 J. Appl. Phys. 33 2826
[8] Shang X Z, Chen W, Cao WQ 2012 Acta Phys. Sin. 61 217701 (in Chinese) [尚勋忠, 陈威, 曹万强 2012 61 217701]
[9] Diamond H 1961 J. Appl. Phys. 32 909
[10] Guerville F De, Marssi M EI, Raevski I P, Yuzyuk Yu I 2006 Phys. Rev. B 74 064107
[11] Zhang L Y, Zhu K, Liu Y L 2012 Chin. Phys. B 21 017803
[12] Osada M, Kakihana M, Wada S, Noma T, Cho W S 1999 Appl. Phys. Lett. 75 3393
[13] Akimov I A, Sirenko A A, Clark A M, Hao J H, Xi X X 2000 Phys. Rev. Lett. 84 4625
[14] Anokhin A S, Yuzyuk Yu I, Golovko Yu I, Mukhortov V M, Marssi M EI 2011 J. Appl. Phys. 109 074111
[15] Naik V M, Haddad D, Naik R, Mantese J, Schubring N W, Micheli A L, Auner G W 2003 J. Appl. Phys. 93 1731
[16] Wang Y X, Zhong W L, Wang C L, Zhang P L, Su X T 2002 Chin. Phys. 11 714
[17] Lines M E, Glass A M 1977 Principles and Applications of Ferroelectrics and Related Materials (Clarendon, Oxford)
[18] Ang C, Bhalla A S, Cross L E 2001 Phys. Rev. B 64 184104
[19] Zhang C H, Xu Z, Gao J J, Zhu C J, Yao X 2011 Chin. Phys. B 20 097702
[20] Kuo S Y, Liao W Y, Hsieh W F 2001 Phys. Rev. B 64 224103
[21] Zhang Q W, Zhai J W, Kong L B, Yao X 2012 J. Appl. Phys. 112 124112
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[1] Tagantsev A K, Sherman V O, Astafiev K F, Venkatesh J, Setter N 2003 J. Electroceram. 11 5
[2] Nenasheva E A, Kanareykin A D, Kartenko N F, Dedyk A I, Karmanenko S F 2004 J. Electroceram. 13 235
[3] Maiti T, Guo R, Bhalla A S 2007 Appl. Phys. Lett. 90 182901
[4] Wei X Y, Yao X 2003 Mater. Sci. and Eng. B 99 74
[5] 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]
[6] Zhong W L 1996 Ferroelectrics (Beijing: Science Press) p430 (in Chinese) [钟维烈 1996 铁电物理学 (北京: 科学出版社) 第430页]
[7] Johnson K M 1962 J. Appl. Phys. 33 2826
[8] Shang X Z, Chen W, Cao WQ 2012 Acta Phys. Sin. 61 217701 (in Chinese) [尚勋忠, 陈威, 曹万强 2012 61 217701]
[9] Diamond H 1961 J. Appl. Phys. 32 909
[10] Guerville F De, Marssi M EI, Raevski I P, Yuzyuk Yu I 2006 Phys. Rev. B 74 064107
[11] Zhang L Y, Zhu K, Liu Y L 2012 Chin. Phys. B 21 017803
[12] Osada M, Kakihana M, Wada S, Noma T, Cho W S 1999 Appl. Phys. Lett. 75 3393
[13] Akimov I A, Sirenko A A, Clark A M, Hao J H, Xi X X 2000 Phys. Rev. Lett. 84 4625
[14] Anokhin A S, Yuzyuk Yu I, Golovko Yu I, Mukhortov V M, Marssi M EI 2011 J. Appl. Phys. 109 074111
[15] Naik V M, Haddad D, Naik R, Mantese J, Schubring N W, Micheli A L, Auner G W 2003 J. Appl. Phys. 93 1731
[16] Wang Y X, Zhong W L, Wang C L, Zhang P L, Su X T 2002 Chin. Phys. 11 714
[17] Lines M E, Glass A M 1977 Principles and Applications of Ferroelectrics and Related Materials (Clarendon, Oxford)
[18] Ang C, Bhalla A S, Cross L E 2001 Phys. Rev. B 64 184104
[19] Zhang C H, Xu Z, Gao J J, Zhu C J, Yao X 2011 Chin. Phys. B 20 097702
[20] Kuo S Y, Liao W Y, Hsieh W F 2001 Phys. Rev. B 64 224103
[21] Zhang Q W, Zhai J W, Kong L B, Yao X 2012 J. Appl. Phys. 112 124112
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