Effect of MnO2 on the piezoelectric properties of the 0.75Pb(Zr0.47Ti0.53)O3-0.25Pb(Zn 1/3Nb2/3)O3 ceramics

Hwi Yeol Park, Chan Hee Nam, In Tae Seo, Jae Hong Choi, Sahn Nahm, Hyeung Gyu Lee, Kwang Jin Kim, Seong Min Jeong

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Abstract

MnO2 was added to 0.75Pb(Zr0.47Ti0.53) O3-0.25Pb(Zn1/3Nb2/3)O3 (0.75PZT-0.25PZN) ceramics in order to make a high-power piezoelectric material. The Mn4+ ion produced a defect dipole consisting of an Mn 4+ ion and an oxygen vacancy that transformed the 0.75PZT-0.25PZN ceramics into hard materials. The Qm value significantly increased with the addition of MnO2 and reached a value of 1680 for the 1.5 mol% MnO2-added 0.75PZT-0.25PZN ceramic. Moreover, this specimen exhibited a high kp of 0.53 with a ε3 T0 of 1518. Additionally, the 1.5 mol% MnO 2-added 0.75PZT-0.25PZN ceramics sintered at 900°C for 4 h also exhibited high piezoelectric properties of Qm=1115, k p=0.50, and ε3 T0=1537.

Original languageEnglish
Pages (from-to)2537-2540
Number of pages4
JournalJournal of the American Ceramic Society
Volume93
Issue number9
DOIs
Publication statusPublished - 2010 Sep 1

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ceramics
Ions
Piezoelectric materials
Oxygen vacancies
Defects
ion
defect
oxygen
effect
material

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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Effect of MnO2 on the piezoelectric properties of the 0.75Pb(Zr0.47Ti0.53)O3-0.25Pb(Zn 1/3Nb2/3)O3 ceramics. / Park, Hwi Yeol; Nam, Chan Hee; Seo, In Tae; Choi, Jae Hong; Nahm, Sahn; Lee, Hyeung Gyu; Kim, Kwang Jin; Jeong, Seong Min.

In: Journal of the American Ceramic Society, Vol. 93, No. 9, 01.09.2010, p. 2537-2540.

Research output: Contribution to journalArticle

Park, Hwi Yeol ; Nam, Chan Hee ; Seo, In Tae ; Choi, Jae Hong ; Nahm, Sahn ; Lee, Hyeung Gyu ; Kim, Kwang Jin ; Jeong, Seong Min. / Effect of MnO2 on the piezoelectric properties of the 0.75Pb(Zr0.47Ti0.53)O3-0.25Pb(Zn 1/3Nb2/3)O3 ceramics. In: Journal of the American Ceramic Society. 2010 ; Vol. 93, No. 9. pp. 2537-2540.
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abstract = "MnO2 was added to 0.75Pb(Zr0.47Ti0.53) O3-0.25Pb(Zn1/3Nb2/3)O3 (0.75PZT-0.25PZN) ceramics in order to make a high-power piezoelectric material. The Mn4+ ion produced a defect dipole consisting of an Mn 4+ ion and an oxygen vacancy that transformed the 0.75PZT-0.25PZN ceramics into hard materials. The Qm value significantly increased with the addition of MnO2 and reached a value of 1680 for the 1.5 mol{\%} MnO2-added 0.75PZT-0.25PZN ceramic. Moreover, this specimen exhibited a high kp of 0.53 with a ε3 T/ε0 of 1518. Additionally, the 1.5 mol{\%} MnO 2-added 0.75PZT-0.25PZN ceramics sintered at 900°C for 4 h also exhibited high piezoelectric properties of Qm=1115, k p=0.50, and ε3 T/ε0=1537.",
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AU - Nam, Chan Hee

AU - Seo, In Tae

AU - Choi, Jae Hong

AU - Nahm, Sahn

AU - Lee, Hyeung Gyu

AU - Kim, Kwang Jin

AU - Jeong, Seong Min

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