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Research Letters in Materials Science
Volume 2007 (2007), Article ID 91796, 5 pages
http://dx.doi.org/10.1155/2007/91796
Research Letter

Ferroelectric Properties of Na2Pb2R2W2Ti4V4O30(R = Dy, Pr) Ceramics

Department of Physics and Meteorology, Indian Institute of Technology, Kharagpur 721302, India

Received 19 July 2007; Accepted 12 October 2007

Academic Editor: Chun-Hway Hsueh

Copyright © 2007 Piyush R. Das et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. R.-J. Xie, Y. Akimune, R.-P. Wang, K. Matsuo, T. Sugiyama, and N. Hirosaki, “Spark plasma sintering of tungsten bronze Sr2xCaxNaNb5O15 (x = 0.1) piezoelectric ceramics: I, processing and microstructure,” Journal of the American Ceramic Society, vol. 85, no. 11, pp. 2725–2730, 2002. View at Google Scholar
  2. C. Huang, A. S. Bhalla, and R. Guo, “Measurement of microwave electro-optic coefficient in Sr0.61Ba0.39Nb2O6 crystal fiber,” Applied Physics Letters, vol. 86, no. 21, Article ID 211907, 3 pages, 2005. View at Publisher · View at Google Scholar
  3. Y. Yuan, X. M. Chen, and Y. J. Wu, “Diffused ferroelectrics of Ba6Ti2Nb8O30 and Sr6Ti2Nb8O30 with filled tungsten-bronze structure,” Journal of Applied Physics, vol. 98, no. 8, Article ID 084110, 5 pages, 2005. View at Publisher · View at Google Scholar
  4. M. R. Ranga Raju, R. N. P. Choudhary, and H. R. Rukmini, “Diffuse phase transition in Sr5RTi3Nb7O30 (R = La, Nd, Sm, Gd and Dy) ferroelectric ceramics,” Ferroelectrics, vol. 325, pp. 25–32, 2005. View at Publisher · View at Google Scholar
  5. J.-H. Ko, S. Kojima, S. G. Lushnikov, R. S. Katiyar, T.-H. Kim, and J.-H. Ro, “Low-temperature transverse dielectric and pyroelectric anomalies of uniaxial tungsten bronze crystals,” Journal of Applied Physics, vol. 92, no. 3, pp. 1536–1543, 2002. View at Publisher · View at Google Scholar
  6. M. Lee, R. S. Feigelson, A. Liu, and L. Hesselink, “Photorefractive properties of tungsten bronze ferroelectric lead barium niobate (Pb1-xBaxNb2O6) crystals,” Journal of Applied Physics, vol. 83, no. 11, pp. 5967–5972, 1998. View at Publisher · View at Google Scholar
  7. K. S. Rao, T. N. V. K. V. Prasad, N. Vallisnath, and V. R. K. Murthy, “Pyroelectric ferroelectric and resistivity studies on samarium modified barium strontium sodium niobate ceramics,” Botswana Journal of Technology, vol. 12, no. 2, pp. 1–7, 2003. View at Google Scholar
  8. P. B. Jamieson, S. C. Abrahams, and J. L. Bernstein, “Ferroelectric tungsten bronze-type crystal structures. I. Barium strontium niobate Ba0.27Sr0.75Nb2O5.78,” Journal of Chemical Physics, vol. 48, no. 11, pp. 5048–5057, 1968. View at Publisher · View at Google Scholar
  9. A. K. Singh and R. N. P. Choudhary, “Study of ferroelectric phase transition in Pb3R3Ti5Nb5O30 (R = rare earth ion) ceramics,” Ferroelectrics, vol. 325, pp. 7–14, 2005. View at Publisher · View at Google Scholar
  10. M.-S. Kim, J.-H. Lee, J.-J. Kim, H. Y. Lee, and S.-H. Cho, “Microstructure evolution and dielectric properties of Ba5-xNa2xNb10O30 ceramics with different Ba-Na Ratios,” Journal of Solid State Electrochemistry, vol. 10, no. 1, pp. 18–23, 2006. View at Publisher · View at Google Scholar
  11. L. Fang, H. Zhang, T. H. Huang, R. Z. Yuan, and H. X. Liu, “Preparation, structural, and dielectric properties of Ba5YZnM9O30(M = Nb, Ta) ceramics,” Journal of Materials Science, vol. 40, no. 2, pp. 533–535, 2005. View at Publisher · View at Google Scholar
  12. B. Behera, P. Nayak, and R. N. P. Choudhary, “Structural, dielectric and electrical properties of NaBa2X5O15 (X = Nb and Ta) ceramics,” Materials Letters, vol. 59, no. 27, pp. 3489–3493, 2005. View at Publisher · View at Google Scholar
  13. V. Hornebecq, C. Elissalde, J.-M. Reau, and J. Ravez, “Relaxations in new ferroelectric tantalates with tetragonal tungsten bronze structure,” Ferroelectrics, vol. 238, no. 1, pp. 57–63, 2000. View at Publisher · View at Google Scholar
  14. P. R. Das, R. N. P. Choudhary, and B. K. Samantray, “Diffuse ferroelectric phase transition in Na2Pb2Sm2W2Ti4Nb4O30 ceramics,” Materials Chemistry and Physics, vol. 101, no. 1, pp. 228–233, 2007. View at Publisher · View at Google Scholar
  15. P. R. Das, R. N. P. Choudhary, and B. K. Samantray, “Diffuse ferroelectric phase transition in Na2Pb2Nd2W2Ti4Nb4O30 ceramic,” to appear in Journal of Alloys and Compounds. View at Publisher · View at Google Scholar
  16. P. R. Das, R. N. P. Choudhary, and B. K. Samantray, “Diffuse phase transition in Na2Pb2R2W2Ti4V4O30 (R= Gd, Eu) ferroelectric ceramics,” Journal of Physics and Chemistry of Solids, vol. 68, no. 4, pp. 516–522, 2007. View at Publisher · View at Google Scholar
  17. G. A. Kolta, I. F. Hewaidy, N. S. Felix, and N. N. Girgis, “Reactions between sodium carbonate and vanadium pentoxide,” Thermochimica Acta, vol. 6, no. 2, pp. 165–177, 1973. View at Publisher · View at Google Scholar
  18. J. M. Luiz, J. R. Matos, I. Giolito, and M. Ionashiro, “Thermal behaviour of the basic carbonates of lanthanum-europium,” Thermochimica Acta, vol. 254, pp. 209–218, 1995. View at Publisher · View at Google Scholar
  19. E. Wu, “POWD, an interactive powder diffraction data interpretation and indexing program ,version 2.5,” School of Physical Sciences, Finders University of South Australia, Bedford Park, Australia.
  20. H. P. Klug and L. E. Alexander, X-Ray Diffraction Procedures: For Polycrystalline and Amorphous Materials, John Wiley & Sons, Chichester, UK, 1974.
  21. S. Seraji, Y. Wu, M. Forbess, S. J. Limmer, T. Chou, and G. Cao, “Sol-gel-derived mesoporous silica films with low dielectric constants,” Advanced Materials, vol. 12, no. 22, pp. 1695–1698, 2000. View at Publisher · View at Google Scholar
  22. S. M. Pilgrim, A. E. Sutherland, and S. R. Winzer, “Diffuseness as a useful parameter for relaxor ceramics,” Journal of the American Ceramic Society, vol. 73, no. 10, pp. 3122–3135, 1990. View at Publisher · View at Google Scholar
  23. G. Deng, G. Li, A. Ding, and Q. Yin, “Evidence for oxygen vacancy inducing spontaneous normal-relaxor transition in complex perovskite ferroelectrics,” Applied Physics Letters, vol. 87, no. 19, Article ID 192905, 3 pages, 2005. View at Publisher · View at Google Scholar
  24. B. Behera, P. Nayak, and R. N. P. Choudhary, “Dielectric anomaly in LiCa2V5O15 ceramics,” Materials Letters, vol. 61, no. 18, pp. 3859–3862, 2007. View at Publisher · View at Google Scholar
  25. A. Molak, E. Talik, M. Kruczek, M. Paluch, A. Ratuszna, and Z. Ujma, “Characterisation of Pb(Mn1/3Nb2/3)O3 ceramics by SEM, XRD, XPS and dielectric permittivity tests,” Materials Science and Engineering B, vol. 128, no. 1–3, pp. 16–24, 2006. View at Publisher · View at Google Scholar