Journal Home > Volume 3 , issue 4

We report the glassy behavior of dysprosium doped barium zirconium titanate single phase perovskite ceramics with general formula Ba1-xDy2x/3Zr0.25Ti0.75O3 prepared by solid-state reaction method. Temperature and frequency dependent dielectric studies of the ceramics reveal relaxor behavior. A non-Debye relaxation, which is analogous to the magnetic relaxation in spin-glass system, is observed clearly around temperature of dielectric permittivity maximum (Tm). Frequency dependence of Tm governed by production of polar nano-regions is analyzed using Debye relation, Vogel–Fulcher (V–F) relation and power law. A clear change in dynamic behavior is observed by power parameter which is related to growth of interactions between polar nano-regions with different composition. Various parameters like activation energy for relaxation, freezing temperature, relaxation frequency, etc., are determined after non-linear curve fitting. Temperature dependence of dielectric constant at temperatures much higher and lower than Tm is analyzed by two exponential functions, which gives an idea about the production of polar clusters at high temperature and distribution of freezing temperatures at lower temperature. Various other associated parameters are calculated by non-linear curve fitting and their significance has been explained.


menu
Abstract
Full text
Outline
About this article

Glassy behavior study of dysprosium doped barium zirconium titanate relaxor ferroelectric

Show Author's information Tanmaya BADAPANDA( )
Department of Physics, CV Raman College of Engineering, Bhubaneswar, Odisha-752054, India

Abstract

We report the glassy behavior of dysprosium doped barium zirconium titanate single phase perovskite ceramics with general formula Ba1-xDy2x/3Zr0.25Ti0.75O3 prepared by solid-state reaction method. Temperature and frequency dependent dielectric studies of the ceramics reveal relaxor behavior. A non-Debye relaxation, which is analogous to the magnetic relaxation in spin-glass system, is observed clearly around temperature of dielectric permittivity maximum (Tm). Frequency dependence of Tm governed by production of polar nano-regions is analyzed using Debye relation, Vogel–Fulcher (V–F) relation and power law. A clear change in dynamic behavior is observed by power parameter which is related to growth of interactions between polar nano-regions with different composition. Various parameters like activation energy for relaxation, freezing temperature, relaxation frequency, etc., are determined after non-linear curve fitting. Temperature dependence of dielectric constant at temperatures much higher and lower than Tm is analyzed by two exponential functions, which gives an idea about the production of polar clusters at high temperature and distribution of freezing temperatures at lower temperature. Various other associated parameters are calculated by non-linear curve fitting and their significance has been explained.

Keywords:

diffuse phase transition, transition temperature, dielectric properties, relaxors, polar nano-regions
Received: 08 August 2014 Accepted: 31 August 2014 Published: 30 November 2014 Issue date: December 2014
References(40)
[1]
Zhi Y, Chen A, Vilarinho PM, et al. Dielectric relaxation behaviour of Bi:SrTiO3: I. The low temperature permittivity peak. J Eur Ceram Soc 1998, 18:1613-1619.
[2]
Setter N, Cross LE. The contribution of structural disorder to diffuse phase transitions in ferroelectrics. J Mater Sci 1980, 15:2478-2482.
[3]
Yao X, Chen Z, Cross LE. Polarization and depolarization behavior of hot pressed lead lanthanum zirconate titanate ceramics. J Appl Phys 1983, 54:3399.
[4]
Cross LE. Relaxor ferroelectrics. Ferroelectrics 1987, 76:241-267.
[5]
Bahri F, Simon A, Khemakhem H, et al. Classical or relaxor ferroelectric behaviour of ceramics with composition Ba1-xBi2/3xTiO3. Phys Status Solidi a 2001, 184:459-464.10.1002/1521-396X(200104)184:2<459::AID-PSSA459>3.0.CO;2-0
[6]
Westphal V, Kleemann W, Glinchuk MD. Diffuse phase transitions and random-field-induced domain states of the “relaxor” ferroelectric PbMg1/3Nb2/3O3. Phys Rev Lett 1992, 68:847-850.
[7]
Vieland D, Jang SJ, Cross LE, et al. Freezing of the polarization fluctuations in lead magnesium niobate relaxors. J Appl Phys 1990, 68:2916-2921.
[8]
Vieland D, Li JF, Jang SJ, et al. Dipolar-glass model for lead magnesium niobate. Phys Rev B 1991, 43:8316-8320.
[9]
Rout D, Subramanian V, Hariharan K, et al. Investigation of glassy behavior in lead barium ytterbium tantalate relaxors. J Phys Chem Solids 2006, 67:1629-1635.
[10]
Cheng Z-Y, Zhang L-Y, Yao X. Investigation of glassy behavior of lead magnesium niobate relaxors. J Appl Phys 1996, 79:8615-8619.
[11]
Yu Z, Ang C, Guo R, et al. Dielectric properties of Ba(Ti1-xZrx)O3 solid solutions. Mater Lett 2007, 61:326-329.
[12]
Ye Z-G. Handbook of Advanced Dielectric, Piezoelectric and Ferroelectric Materials. Cambridge:Woodhead Publishing Limited, 2008: 897.
[13]
Yu Z, Ang C, Guo R, et al. Piezoelectric and strain properties of BaTi1-xZrxO3 ceramics. J Appl Phys 2002, 92:1489-1493.
[14]
Mahajan S, Thakur OP, Bhattacharya DK, et al. Study of structural and electrical properties of conventional furnace and microwave-sintered BaZr0.10Ti0.90O3 ceramics. J Am Ceram Soc 2009, 92:416-423.
[15]
Kuang SJ, Tang XG, Li LY, et al. Influence of Zr dopant on the dielectric properties and Curie temperatures of Ba(ZrxTi1-x)O3 (0 ≤ x ≤ 0.12) ceramics. Scripta Mater 2009, 61:68-71.
[16]
Farhi R, Marssi ME, Simon A, et al. A Raman and dielectric study of ferroelectric ceramics. Eur Phys J B 1999, 9:599-604.
[17]
Maiti T, Guo R, Bhalla AS. Structure-property phase diagram of BaZrxTi1-xO3 system. J Am Ceram Soc 2008, 91:1769-1780.
[18]
Moura F, Simões AZ, Stojanovic BD, et al. Dielectric and ferroelectric characteristics of barium zirconate titanate ceramics prepared from mixed oxide method. J Alloys Compd 2008, 462:129-134.
[19]
Weber U, Greuel G, Boettger U, et al. Dielectric properties of Ba(Zr,Ti)O3-based ferroelectrics for capacitor applications. J Am Ceram Soc 2001, 84:759-766.
[20]
Hennings D, Schnell A, Simon G. Diffuse ferroelectric phase transitions in Ba(Ti1-yZry)O3 ceramics. J Am Ceram Soc 1982, 65:539-544.
[21]
Ravez J, Simon A. Temperature and frequency dielectric study of Ba(Ti1-xZrx)O3. Eur J Solid State Inor 1997, 34:1199-1209.
[22]
Badapanda T, Rout SK, Cavalcante LS, et al. Optical and dielectric relaxor behaviour of Ba(Zr0.25Ti0.75)O3 ceramic explained by means of distorted clusters. J Phys D: Appl Phys 2009, 42:175414.
[23]
Wang Y, Li L, Qi J, et al. Ferroelectric characteristics of ytterbium-doped barium zirconium titanate ceramics. Ceram Int 2002, 28:657-661.
[24]
Chen XM, Wang T, Li J. Dielectric characteristics and their field dependence of (Ba, Ca)TiO3 ceramics. Mat Sci Eng B 2004, 113:117-120.
[25]
Kishi H, Kohzu N, Sugino J, et al. The effect of rare-earth (La, Sm, Dy, Ho and Er) and Mg on the microstructure in BaTiO3. J Eur Ceram Soc 1999, 19:1043-1046.
[26]
Shirasaki S, Tsukioka M, Yamamura H, et al. Origin of semiconductng behavior in rare-earth-doped barium titanate. Solid State Commun 1976, 19:721-724.
[27]
Devi S, Jha AK. Enhancement of piezoelectric and ferroelectric properties in wolframium substituted barium titanate ferroelectric ceramics. Indian J Phys 2012, 86:279-282.
[28]
Aliouane K, Guehria-Laidoudi A, Simon A, et al. Study of new relaxor materials in BaTiO3–BaZrO3–La2/3TiO3 system. Solid State Sci 2005, 7:1324-1332.
[29]
Chou X, Zhai J, Jiang H, et al. Dielectric properties and relaxor behavior of rare-earth (La, Sm, Eu, Dy, Y) substituted barium zirconium titanate ceramics. J Appl Phys 2007, 102:084106.
[30]
Ostos C, Mestres L, Martínez-Sarrión ML, et al. Synthesis and characterization of A-site deficient rare-earth doped BaZrxTi1-xO3 perovskite-type compounds. Solid State Sci 2009, 11:1016-1022.
[31]
Diez-Betriu X, Garcia JE, Ostos C, et al. Phase transition characteristics and dielectric properties of rare-earth (La, Pr, Nd, Gd) doped Ba(Zr0.09Ti0.91)O3. Mater Chem Phys 2011, 125:493-500.
[32]
Badapanda T, Rout SK, Panigrahi S, et al. Phase formation and dielectric study of Bi doped BaTi0.75Zr0.25O3 ceramic. Curr Appl Phys 2009, 9:727-731.
[33]
Badapanda T, Rout SK, Cavalcante LS, et al. Structural and dielectric relaxor properties of yttrium-doped Ba(Zr0.25Ti0.75)O3 ceramics. Mater Chem Phys 2010, 121:147-153.
[34]
Burns G, Dacol FH. Glassy polarization behavior in ferroelectric compounds Pb(Mg1/3Nb2/3)O3 and Pb(Zn1/3Nb2/3)O3. Solid State Commun 1983, 48:853-856.
[35]
Singh BK, Kumar B. Investigation of glassy behaviour of flux grown Pb(Zn1/3Nb2/3)0.91Ti0.09O3 crystal. Physica B 2011, 406:941-945.
[36]
Badapanda T, Rout SK, Panigrahi S, et al. Effect of Dy substitution on dielectric properties of BTZ relaxor ceramics. Ferroelectrics 2009, 385:6177-6186.
[37]
Lu DY, Toda M, Sugano M. High-permittivity double rare-earth-doped barium titanate ceramics with diffuse phase transition. J Am Ceram Soc 2006, 89:3112-3123.
[38]
Bokov AA, Ye Z-G. Recent progress in relaxor ferroelectrics with perovskite structure. J Mater Sci 2006, 41:31-52.
[39]
Cheng Z-Y, Katiyar RS, Yao X, et al. Dielectric behavior of lead magnesium niobate relaxors. Phys Rev B 1997, 55:8165-8174.
[40]
Cheng ZY, Katiyar RS, Yao X, et al. Dielectric properties and glassy behaviour in the solid-solution ceramics Pb(ZnNb)O3–PbTiO3–BaTiO3. Philos Mag B 1998, 78:279-293.
Publication history
Copyright
Rights and permissions

Publication history

Received: 08 August 2014
Accepted: 31 August 2014
Published: 30 November 2014
Issue date: December 2014

Copyright

© The author(s) 2014

Rights and permissions

Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

Reprints and Permission requests may be sought directly from editorial office.

Return