Piezoelectric properties and temperature stability of Mn-doped Pb(Mg 1/3Nb 2/3)-PbZrO 3-PbTiO 3 textured ceramics

Yongke Yan, Kyung Hoon Cho, Shashank Priya

Research output: Contribution to journalArticle

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Abstract

In this letter, we report the electromechanical properties of textured 0.4Pb(Mg 1/3Nb 2/3)O 3-0.25PbZrO 3-0.35PbTiO 3 (PMN-PZT) composition which has relatively high rhombohedral to tetragonal (R-T) transition temperature (T R-T of 160 °C) and Curie temperature (T C of 234 C) and explore the effect of Mn-doping on this composition. It was found that MnO 2-doped textured PMN-PZT ceramics with 5 vol. BaTiO 3 template (T-5BT) exhibited inferior temperature stability. The coupling factor (k 31) of T-5BT ceramic started to degrade from 75 °C while the random counterpart showed a very stable tendency up to 180 °C. This degradation was associated with the "interface region" formed in the vicinity of BT template. MnO 2 doped PMN-PZT ceramics textured with 3 vol. BT and subsequently poled at 140 C (T-3BT140) exhibited very stable and high k 31 (>0.53) in a wide temperature range from room temperature to 130 C through reduction in the interface region volume. Further, the T-3BT140 ceramic exhibited excellent hard and soft combinatory piezoelectric properties of d 33 720 pC/N, k 31 0.53, Q m 403, tan δ = 0.3 which are very promising for high power and magnetoelectric applications.

Original languageEnglish (US)
Article number132908
JournalApplied Physics Letters
Volume100
Issue number13
DOIs
StatePublished - Mar 26 2012

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ceramics
templates
temperature
Curie temperature
tendencies
transition temperature
degradation
room temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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title = "Piezoelectric properties and temperature stability of Mn-doped Pb(Mg 1/3Nb 2/3)-PbZrO 3-PbTiO 3 textured ceramics",
abstract = "In this letter, we report the electromechanical properties of textured 0.4Pb(Mg 1/3Nb 2/3)O 3-0.25PbZrO 3-0.35PbTiO 3 (PMN-PZT) composition which has relatively high rhombohedral to tetragonal (R-T) transition temperature (T R-T of 160 °C) and Curie temperature (T C of 234 C) and explore the effect of Mn-doping on this composition. It was found that MnO 2-doped textured PMN-PZT ceramics with 5 vol. BaTiO 3 template (T-5BT) exhibited inferior temperature stability. The coupling factor (k 31) of T-5BT ceramic started to degrade from 75 °C while the random counterpart showed a very stable tendency up to 180 °C. This degradation was associated with the {"}interface region{"} formed in the vicinity of BT template. MnO 2 doped PMN-PZT ceramics textured with 3 vol. BT and subsequently poled at 140 C (T-3BT140) exhibited very stable and high k 31 (>0.53) in a wide temperature range from room temperature to 130 C through reduction in the interface region volume. Further, the T-3BT140 ceramic exhibited excellent hard and soft combinatory piezoelectric properties of d 33 720 pC/N, k 31 0.53, Q m 403, tan δ = 0.3 which are very promising for high power and magnetoelectric applications.",
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Piezoelectric properties and temperature stability of Mn-doped Pb(Mg 1/3Nb 2/3)-PbZrO 3-PbTiO 3 textured ceramics. / Yan, Yongke; Cho, Kyung Hoon; Priya, Shashank.

In: Applied Physics Letters, Vol. 100, No. 13, 132908, 26.03.2012.

Research output: Contribution to journalArticle

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