Abstract
Unfilled tungsten bronze ceramics with general formula KBa3RNb10O30 (R = La, Pr, Nd, Sm, Eu, Gd) were prepared by the conventional solid state reaction method. XRD patterns show that all ceramics are pure tungsten bronze phase. Dielectric characterization indicates that the ceramics except KBa3GdNb10O30 are relaxors with strong frequency dispersion, while KBa3GdNb10O30 shows diffuse phase transition and belongs to classical ferroelectrics. At room temperature, the KBa3RNb10O30 compounds (R = La, Pr, Nd) are paraelectrics while the KBa3RNb10O30 compounds (R = Sm, Eu, Gd) are ferroelectrics. Among them, KBa3GdNb10O30 has the highest remnant polarization (2P r ) of 8.2 μC/cm2. Phase transition temperature, remnant polarization (2P r ) and tetragonality of the compounds increase with the decrease of ionic radius of the rare earths.
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E. Castel, P. Veber, M. Albino, M. Velázquez, S. Pechev, D. Denux, J.P. Chaminade, M. Maglione, M. Josse, J. Cryst. Growth 340, 156 (2012)
Y.B. Yao, C.L. Mak, J. Alloys Compd. 544, 87 (2012)
F.L. Goupil, A.K. Axelsson, L.J. Dunne, M. Valant, G. Manos, T. Lukasiewicz, J. Dec, A. Berenov, N.M. Alford, Adv. Energy Mater. 4, 1301688 (2014)
S. Zhang, F. Yu, J. Am. Ceram. Soc. 94, 3153 (2011)
A. Rotaru, A.J. Miller, D.C. Arnold, F.D. Morrison, Philos. Trans. R. Soc. A 372, 20120451 (2014)
X. Yin, L. Shi, A. Wei, D. Wan, Y. Wang, F. Huang, J. Solid State Chem. 192, 182 (2012)
A. Simon, J. Ravez, C. R. Chim. 9, 1268 (2006)
S. Zhang, G. Yuan, J. Chen, Z. Gu, B. Yang, J. Yin, W. Cao, J. Am. Ceram. Soc. 96, 555 (2013)
P.V. Bijumon, V. Kohli, O. Parkash, M.R. Varma, M.T. Sebastian, Mater. Sci. Eng. B 113, 13 (2004)
P. Koshy, L.P. Kumari, M.T. Sebastian, J. Mater. Sci. Mater. Electron. 9, 43 (1998)
X.M. Chen, Y.H. Sun, X.H. Zheng, J. Eur. Ceram. Soc. 23, 1571 (2003)
M.C. Stennett, G.C. Miles, J. Sharman, I.M. Reaney, A.R. West, J. Eur. Ceram. Soc. 25, 2471 (2005)
K. Li, X.L. Zhu, X.Q. Liu, X.M. Chen, Appl. Phys. Lett. 100, 012902 (2012)
L. Fang, H. Zhang, J. Yan, W. Yang, Chinese. J. Inorg. Chem. 18, 1131 (2002)
S.R. Shannigrahi, R.N.P. Choudhary, A. Kumar, H.N. Acharya, J. Phys. Chem. Solids 59, 737 (1998)
P. Ganguly, A.K. Jha, K.L. Deori, J. Alloys Compd. 484, 40 (2009)
J. Zhang, G. Wang, F. Gao, C. Mao, F. Cao, X. Dong, Ceram. Int. 39, 1971 (2013)
C.J. Huang, K. Li, X.Q. Liu, X.L. Zhu, X.M. Chen, J. Am. Ceram. Soc. 97, 507 (2014)
C. Elissalde, J. Ravez, J. Mater. Chem. 10, 681 (2000)
C.S. Pandey, J. Schreuer, M. Burianek, M. Muhlberg, Phys. Rev. B 87, 0941101 (2013)
C.S. Pandey, J. Schreuer, M. Burianek, M. Muhlberg, Appl. Phys. Lett. 102, 022903 (2013)
L. Wang, Y. Sakka, D.A. Rusakov, Y. Mozharivskyj, T. Kolodiazhnyi, Chem. Mater. 23, 2586 (2011)
J. Gardner, F.D. Morrison, Dalton Trans. 43, 11687 (2014)
S.M. Pilgrim, S.R. Sutherl, S.R. Winzer, J. Am. Ceram. Soc. 73, 3122 (1990)
J. Ravez, A. Simon, J. Solid State Chem. 162, 260 (2001)
X.L. Zhu, K. Li, M.A. Rafiq, X.Q. Liu, X.M. Chen, J. Appl. Phys. 114, 124102 (2013)
C. Elissalde, J. Ravez, J. Mater. Chem. 11, 1957 (2001)
R. Pirc, R. Blinc, Phys. Rev. B 76, 020101 (2007)
Acknowledgments
This work was supported by the State Scholarship Fund of China Scholarship Council under Grant (No. 2011845511), the Project of Guangxi Education Department under Grant (No. 201203YB087), the Natural Science Foundation of Guangxi under Grant (No. 2013GXNSFBA019230 and 2014GXNSFAA118350), the Science Foundation of Guilin under Grant (No.20120112-3) and the Project for Doctor in Guilin University of Technology.
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Hu, C., Sun, Z., Zhu, Q. et al. Dielectric and ferroelectric properties of unfilled tungsten bronze KBa3RNb10O30 ceramics. J Mater Sci: Mater Electron 26, 515–520 (2015). https://doi.org/10.1007/s10854-014-2429-6
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DOI: https://doi.org/10.1007/s10854-014-2429-6