Effect of sintering temperature on the electromechanical properties of 0.945Bi0.5Na0.5TiO3-0.055BaZrO3 ceramics

Jamil Ur Rahman; Ali Hussain; Adnan Maqbool; Rizwan Ahmed Malik; Min Su Kim; Myong Ho Kim

doi:10.3938/jkps.66.1072

Effect of sintering temperature on the electromechanical properties of 0.945Bi_0.5Na_0.5TiO₃-0.055BaZrO₃ ceramics

Jamil Ur Rahman, Ali Hussain, Adnan Maqbool, Rizwan Ahmed Malik, Min Su Kim, Myong Ho Kim

Changwon National University

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

In this work, lead-free 0.945B_0.5N_0.5TiO₃-0.055BaZrO₃ (BNT-BZ) ceramics were synthesized by using conventional solid-state reaction method and the effect of different sintering temperatures (1145–1200 °C) on its structure and electromechanical properties were investigated. XRD patterns revealed single a phase-perovskite structure for all samples sintered at different temperatures. An optimum sintering temperature enhanced densification, promoted grain growth, and improve the dielectric and piezoelectric properties. However, at low (1145 °C) and high (1200 °C) sintering temperatures, the BNT-BZ ceramics showed inferior electromechanical properties. BNT-BZ ceramics sintered at an optimum temperature (1175 °C) showed an enhanced strain (0.39%) response at an applied electric field of 7 kV/mm with a high dynamic piezoelectric coefficient (d₃₃* = 557 pm/V). These results can be attributed to the high density of the BNT-BZ ceramics sintered at 1175 °C.

Original language	English
Pages (from-to)	1072-1076
Number of pages	5
Journal	Journal of the Korean Physical Society
Volume	66
Issue number	7
DOIs	https://doi.org/10.3938/jkps.66.1072
State	Published - 1 Apr 2015
Externally published	Yes

Keywords

Bismuth sodium titanate
Electric-field-induced strain
Lead-free ceramics
Sintering

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10.3938/jkps.66.1072

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title = "Effect of sintering temperature on the electromechanical properties of 0.945Bi0.5Na0.5TiO3-0.055BaZrO3 ceramics",

abstract = "In this work, lead-free 0.945B0.5N0.5TiO3-0.055BaZrO3 (BNT-BZ) ceramics were synthesized by using conventional solid-state reaction method and the effect of different sintering temperatures (1145–1200 °C) on its structure and electromechanical properties were investigated. XRD patterns revealed single a phase-perovskite structure for all samples sintered at different temperatures. An optimum sintering temperature enhanced densification, promoted grain growth, and improve the dielectric and piezoelectric properties. However, at low (1145 °C) and high (1200 °C) sintering temperatures, the BNT-BZ ceramics showed inferior electromechanical properties. BNT-BZ ceramics sintered at an optimum temperature (1175 °C) showed an enhanced strain (0.39\%) response at an applied electric field of 7 kV/mm with a high dynamic piezoelectric coefficient (d33* = 557 pm/V). These results can be attributed to the high density of the BNT-BZ ceramics sintered at 1175 °C.",

keywords = "Bismuth sodium titanate, Electric-field-induced strain, Lead-free ceramics, Sintering",

author = "Rahman, \{Jamil Ur\} and Ali Hussain and Adnan Maqbool and Malik, \{Rizwan Ahmed\} and Kim, \{Min Su\} and Kim, \{Myong Ho\}",

note = "Publisher Copyright: {\textcopyright} 2015, The Korean Physical Society.",

year = "2015",

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doi = "10.3938/jkps.66.1072",

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T1 - Effect of sintering temperature on the electromechanical properties of 0.945Bi0.5Na0.5TiO3-0.055BaZrO3 ceramics

AU - Rahman, Jamil Ur

AU - Hussain, Ali

AU - Maqbool, Adnan

AU - Malik, Rizwan Ahmed

AU - Kim, Min Su

AU - Kim, Myong Ho

PY - 2015/4/1

Y1 - 2015/4/1

N2 - In this work, lead-free 0.945B0.5N0.5TiO3-0.055BaZrO3 (BNT-BZ) ceramics were synthesized by using conventional solid-state reaction method and the effect of different sintering temperatures (1145–1200 °C) on its structure and electromechanical properties were investigated. XRD patterns revealed single a phase-perovskite structure for all samples sintered at different temperatures. An optimum sintering temperature enhanced densification, promoted grain growth, and improve the dielectric and piezoelectric properties. However, at low (1145 °C) and high (1200 °C) sintering temperatures, the BNT-BZ ceramics showed inferior electromechanical properties. BNT-BZ ceramics sintered at an optimum temperature (1175 °C) showed an enhanced strain (0.39%) response at an applied electric field of 7 kV/mm with a high dynamic piezoelectric coefficient (d33* = 557 pm/V). These results can be attributed to the high density of the BNT-BZ ceramics sintered at 1175 °C.

AB - In this work, lead-free 0.945B0.5N0.5TiO3-0.055BaZrO3 (BNT-BZ) ceramics were synthesized by using conventional solid-state reaction method and the effect of different sintering temperatures (1145–1200 °C) on its structure and electromechanical properties were investigated. XRD patterns revealed single a phase-perovskite structure for all samples sintered at different temperatures. An optimum sintering temperature enhanced densification, promoted grain growth, and improve the dielectric and piezoelectric properties. However, at low (1145 °C) and high (1200 °C) sintering temperatures, the BNT-BZ ceramics showed inferior electromechanical properties. BNT-BZ ceramics sintered at an optimum temperature (1175 °C) showed an enhanced strain (0.39%) response at an applied electric field of 7 kV/mm with a high dynamic piezoelectric coefficient (d33* = 557 pm/V). These results can be attributed to the high density of the BNT-BZ ceramics sintered at 1175 °C.

KW - Bismuth sodium titanate

KW - Electric-field-induced strain

KW - Lead-free ceramics

KW - Sintering

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Effect of sintering temperature on the electromechanical properties of 0.945Bi_0.5Na_0.5TiO₃-0.055BaZrO₃ ceramics

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