Microwave dielectric properties of Mg-doped SrLa4Ti5O17 layered perovskite

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• 作者：Yaseen Iqbal ; Raz Muhammad
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：27
• 期：2
• 页码：1314-1317
• 全文大小：1,098 KB
• 参考文献：1.R. Ubic, D. Suvorov, M. Sebastian, Mater. Res. Bull. 67, 220 (2015)CrossRef
  2.M. Mirsaneh, O.P. Leisten, B. Zalinska, I.M. Reaney, Adv. Func. Mater. 18, 2293–2300 (2008)CrossRef
  3.R. Muhammad, Y. Iqbal, I.M. Reaney, J. Alloys Compd. 646, 368–371 (2015)CrossRef
  4.I.N. Jawahar, N.I. Santha, M.T. Sebastian, P. Mohanan, J. Mater. Res. 17, 3084–3089 (2002)CrossRef
  5.F. Zhao, Z. Yue, Z. Gui, L. Li, J. Am. Ceram. Soc. 89, 3421–3425 (2006)CrossRef
  6.Y.-C. Chen, W.-C. Lee, K.-C. Chen, Mater. Chem. Phys. 118, 161–164 (2009)CrossRef
  7.C. Li, X. Wei, H. Yan, M.J. Reece, H. Ye, J. Mater. Sci. Mater. Electron. 24, 1947–1954 (2013)CrossRef
  8.Y. Iqbal, A. Manan, Phase, Microstructural Characterization and Microwave Dielectric Properties of SrLa4Ti5−xSnxO17 (x = 0–3) Ceramics (IOP Publishing, JPCS, 2012), p. 012039
  9.A. Manan, Y. Iqbal, J. Mater. Sci. Mater. Electron. 22, 1848–1854 (2011)CrossRef
  10.R. Muhammad, Y. Iqbal, I. Reaney, J. Mater. Sci. 50, 3510–3516 (2015)
  11.Y. Iqbal, R. Muhammad, Electron. Mater. Lett. 11, 383–387 (2015)CrossRef
  12.A. Manan, Y. Iqbal, Mater. Res. Bull. 47, 883–888 (2012)CrossRef
  13.A. Manan, I. Qazi, Bull. Mater. Sci. 37, 679–683 (2014)CrossRef
  14.R. Cava, J. Mater. Chem. 11, 54–62 (2001)CrossRef
  15.I.M. Reaney, D. Iddles, J. Am. Ceram. Soc. 89, 2063–2072 (2006)
  16.R.D. Shannon, J. Appl. Phys. 73, 348–366 (1993)CrossRef
  17.R. Freer, F. Azough, J. Eur. Ceram. Soc. 28, 1433–1441 (2008)CrossRef
  18.R.D. Shannon, Acta Crystallogr. A 32, 751–767 (1976)CrossRef
  19.R. Muhammad, Y. Iqbal, C.R. Rambo, H. Khan, Int. J. Mater. Res. 105, 431–439 (2014)CrossRef
  
• 作者单位：Yaseen Iqbal (1)
  Raz Muhammad (1)
  
  1. Materials Research Laboratory, Department of Physics, University of Peshawar, Peshawar, 25120, Pakistan
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Optical and Electronic Materials
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1573-482X

文摘

The effect of Mg doping on the phase, microstructure and microwave dielectric properties of SrLa₄Ti₅O₁₇ ceramics was investigated. For this purpose, Mg-doped SrLa₄Ti₅O₁₇ ceramics were processed via a conventional mixed oxide solid-state reaction route. X-ray diffraction revealed the formation of single phase (A₅B₅O₁₇ and/or A_4.5B_4.5O_16.5) ceramics at x = 0.0, 0.5 and 1, and a mixture of A₅B₅O₁₇ and A_4.5B_4.5O_16.5-type compounds at x = 0.25 and 0.75. The sintered microstructure of x = 0.25–0.75 samples comprised relatively more pores/voids. The relative permittivity and temperature coefficient of resonant frequency decreased with an increase in Mg concentration. The optimum microwave dielectric properties (i.e. ε _r  ~ 28, Q × f _o  ~ 13,367 GHz and τ _f  ~ +6.7 ppm/°C) were observed for the x = 0.75 composition i.e. Sr_0.25La_4.75Ti_4.625Mg_0.375O₁₇.