Piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 ceramic materials

Jin Soo Kim, So Jung Kim, Ho Gi Kim, Duck Chool Lee, Kenji Uchino

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

High-power piezoelectric materials are presently being extensively developed for applications such as ultrasonic motors and piezoelectric transformers. In this study, the piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 (hereafter 0.57PSN-0.43PT), which is the morphotropic phase boundary composition of the PSN-PT system, were investigated. The maximum dielectric constant (ε330 = 2551) and the minimum dielectric loss (tanδ = 0.51%) at room temperature were obtained at Fe2O3 additions of 0.1 wt% and 0.3 wt%, respectively. The temperature dependence of the dielectric constant and the dielectric loss was measured between room temperature and 350°C. With the addition of Fe2O3, the piezoelectric constant d33 and electromechanical coupling factor kp were slightly decreased, but the mechanical quality factor Qm was significantly increased. The highest mechanical quality factor (Qm = 297) was obtained at 0.3 wt% Fe2O3, which is 4.4 times higher than that of nondoped 0.57PSN-0.43PT ceramics. The P-E and S-E loops of the samples at room temperature and at 1.0 Hz were measured at the same time using an automated polarization measuring system.

Original languageEnglish (US)
Pages (from-to)1433-1437
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number3 A
StatePublished - Dec 1 1999

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Ceramic materials
Dielectric properties
dielectric properties
ceramics
dielectric loss
Q factors
room temperature
Dielectric losses
permittivity
Permittivity
transformers
Temperature
Electromechanical coupling
Piezoelectric materials
Phase boundaries
ultrasonics
temperature dependence
Ultrasonics
polarization
Polarization

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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title = "Piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 ceramic materials",
abstract = "High-power piezoelectric materials are presently being extensively developed for applications such as ultrasonic motors and piezoelectric transformers. In this study, the piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 (hereafter 0.57PSN-0.43PT), which is the morphotropic phase boundary composition of the PSN-PT system, were investigated. The maximum dielectric constant (ε33/ε0 = 2551) and the minimum dielectric loss (tanδ = 0.51{\%}) at room temperature were obtained at Fe2O3 additions of 0.1 wt{\%} and 0.3 wt{\%}, respectively. The temperature dependence of the dielectric constant and the dielectric loss was measured between room temperature and 350°C. With the addition of Fe2O3, the piezoelectric constant d33 and electromechanical coupling factor kp were slightly decreased, but the mechanical quality factor Qm was significantly increased. The highest mechanical quality factor (Qm = 297) was obtained at 0.3 wt{\%} Fe2O3, which is 4.4 times higher than that of nondoped 0.57PSN-0.43PT ceramics. The P-E and S-E loops of the samples at room temperature and at 1.0 Hz were measured at the same time using an automated polarization measuring system.",
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Piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 ceramic materials. / Kim, Jin Soo; Kim, So Jung; Kim, Ho Gi; Lee, Duck Chool; Uchino, Kenji.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 38, No. 3 A, 01.12.1999, p. 1433-1437.

Research output: Contribution to journalArticle

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AU - Kim, Jin Soo

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AU - Kim, Ho Gi

AU - Lee, Duck Chool

AU - Uchino, Kenji

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AB - High-power piezoelectric materials are presently being extensively developed for applications such as ultrasonic motors and piezoelectric transformers. In this study, the piezoelectric and dielectric properties of Fe2O3-doped 0.57Pb(Sc1/2Nb1/2)O3-0.43PbTiO3 (hereafter 0.57PSN-0.43PT), which is the morphotropic phase boundary composition of the PSN-PT system, were investigated. The maximum dielectric constant (ε33/ε0 = 2551) and the minimum dielectric loss (tanδ = 0.51%) at room temperature were obtained at Fe2O3 additions of 0.1 wt% and 0.3 wt%, respectively. The temperature dependence of the dielectric constant and the dielectric loss was measured between room temperature and 350°C. With the addition of Fe2O3, the piezoelectric constant d33 and electromechanical coupling factor kp were slightly decreased, but the mechanical quality factor Qm was significantly increased. The highest mechanical quality factor (Qm = 297) was obtained at 0.3 wt% Fe2O3, which is 4.4 times higher than that of nondoped 0.57PSN-0.43PT ceramics. The P-E and S-E loops of the samples at room temperature and at 1.0 Hz were measured at the same time using an automated polarization measuring system.

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