Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System

Lead zirconate titanate (PZT) is a piezoelectric material which is most widely used in ceramics. La3+ and Sr2+ co-doped PZT (PLSZT) shows the improvement in piezoelectric and dielectric properties which were piezoelectric coefficient (d33), electromechanical coupling factor (kp) and dielectric permi...

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Main Author:	Rashid, Tuan Nur Izzah Tuan Ab
Format:	Thesis
Language:	English
Published:	2018
Subjects:	T Technology
Online Access:	http://eprints.usm.my/46677/1/Effect%20Of%20Ca%20Addition%20On%20Piezoelectric%20And%20Dielectric%20Properties%20In%20b0.93la0.02sr0.05%28Zr0.52ti0.48%29O3%20%28Plszt%29%20System.pdf
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spelling	my-usm-ep.466772021-11-17T03:42:13Z Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System 2018-04-01 Rashid, Tuan Nur Izzah Tuan Ab T Technology TA401-492 Materials of engineering and construction. Mechanics of materials Lead zirconate titanate (PZT) is a piezoelectric material which is most widely used in ceramics. La3+ and Sr2+ co-doped PZT (PLSZT) shows the improvement in piezoelectric and dielectric properties which were piezoelectric coefficient (d33), electromechanical coupling factor (kp) and dielectric permittivity (ɛᵣ). However, the d33 and kp still indicated a lower value for electronic device applications. In order to improve d33 and kp, the doping process and poling behaviour were investigated. In this research, Pb0.93La0.02Sr0.05(Zr0.52Ti0.48)O3 (PLSZT) ceramic was synthesized by high energy planetary ball milling for 40 hours and sintered at 1200 °C for 3 hours. The poling parameters (temperature, electric field and time) were studied based on design of experiment (DOE) in order to investigate the effect of poling parameter towards the piezoelectric and dielectric properties for PLSZT. Besides, a new dopant (CaCO3) for PLSZT was studied followed by sintering parameters (1100 °C to 1300 °C for 2 to 4 hours) for further improving their piezoelectric and dielectric properties. The optimum poling parameter shows a good d33 and ɛᵣ which were 320 pC/N and 1660, respectively. Poling parameters were optimized at T = 140 °C, Ef = 4 kV/mm and t = 20 min. Ca2+ doped PLSZT (PCLSZT) show that enhancement of d33, kp and ɛᵣ occurred at lower Ca addition. Optimum piezoelectric and dielectric properties were obtained at 0.005 mol% CaCO3 (PCLSZT0.005) sintered at 1200 °C for 3 hours with d33 = 430 pC/N, kp = 0.5866, ɛᵣ = 2450 and tan δ = 0.0426. In conclusion the addition of Ca2+ successfully increased the piezoelectric and dielectric properties of PLSZT. 2018-04 Thesis http://eprints.usm.my/46677/ http://eprints.usm.my/46677/1/Effect%20Of%20Ca%20Addition%20On%20Piezoelectric%20And%20Dielectric%20Properties%20In%20b0.93la0.02sr0.05%28Zr0.52ti0.48%29O3%20%28Plszt%29%20System.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Bahan & Sumber Mineral
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	T Technology T Technology
spellingShingle	T Technology T Technology Rashid, Tuan Nur Izzah Tuan Ab Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
description	Lead zirconate titanate (PZT) is a piezoelectric material which is most widely used in ceramics. La3+ and Sr2+ co-doped PZT (PLSZT) shows the improvement in piezoelectric and dielectric properties which were piezoelectric coefficient (d33), electromechanical coupling factor (kp) and dielectric permittivity (ɛᵣ). However, the d33 and kp still indicated a lower value for electronic device applications. In order to improve d33 and kp, the doping process and poling behaviour were investigated. In this research, Pb0.93La0.02Sr0.05(Zr0.52Ti0.48)O3 (PLSZT) ceramic was synthesized by high energy planetary ball milling for 40 hours and sintered at 1200 °C for 3 hours. The poling parameters (temperature, electric field and time) were studied based on design of experiment (DOE) in order to investigate the effect of poling parameter towards the piezoelectric and dielectric properties for PLSZT. Besides, a new dopant (CaCO3) for PLSZT was studied followed by sintering parameters (1100 °C to 1300 °C for 2 to 4 hours) for further improving their piezoelectric and dielectric properties. The optimum poling parameter shows a good d33 and ɛᵣ which were 320 pC/N and 1660, respectively. Poling parameters were optimized at T = 140 °C, Ef = 4 kV/mm and t = 20 min. Ca2+ doped PLSZT (PCLSZT) show that enhancement of d33, kp and ɛᵣ occurred at lower Ca addition. Optimum piezoelectric and dielectric properties were obtained at 0.005 mol% CaCO3 (PCLSZT0.005) sintered at 1200 °C for 3 hours with d33 = 430 pC/N, kp = 0.5866, ɛᵣ = 2450 and tan δ = 0.0426. In conclusion the addition of Ca2+ successfully increased the piezoelectric and dielectric properties of PLSZT.
format	Thesis
qualification_level	Master's degree
author	Rashid, Tuan Nur Izzah Tuan Ab
author_facet	Rashid, Tuan Nur Izzah Tuan Ab
author_sort	Rashid, Tuan Nur Izzah Tuan Ab
title	Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
title_short	Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
title_full	Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
title_fullStr	Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
title_full_unstemmed	Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System
title_sort	effect of ca addition on piezoelectric and dielectric properties in b0.93la0.02sr0.05(zr0.52ti0.48)o3 (plszt) system
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Bahan & Sumber Mineral
publishDate	2018
url	http://eprints.usm.my/46677/1/Effect%20Of%20Ca%20Addition%20On%20Piezoelectric%20And%20Dielectric%20Properties%20In%20b0.93la0.02sr0.05%28Zr0.52ti0.48%29O3%20%28Plszt%29%20System.pdf
_version_	1747821710620491776

Effect Of Ca Addition On Piezoelectric And Dielectric Properties In b0.93la0.02sr0.05(Zr0.52ti0.48)O3 (Plszt) System

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