Nonlead perovskite piezoelectric materials

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Abstract

This study investigates the temperature dependence of piezoelectric properties in (Na 1/2Bi 1/2)TiO 3 - (K 1/2Bi 1/2)TiO 3 (NBT-KBT), (Na 1/2Bi 1/2)TiO 3 - BaTiO 3 (NBT-BT) and (Na 0.5K 0.5NbO 3 (KNN) solid solutions. It was found that the anti-ferroelectric transition temperature in NBT-BT and NBT-KBT solid solutions is in the range of 85 - 120 °C. The piezoelectric properties in the anti-ferroelectric phase disappear. However, rare-earth oxide modified (Na 0.5K 0.5)NbO 3 exhibits linear piezoelectric properties until 180 °C where it goes through orthorhombic to tetragonal phase transition which is of first order. At room temperature and under low field condition, (Na 0.5K 0.5)NbO 3 provides d 33 of 140 pC/N, K p of 44% and Q m of 200; 0.80(Na 1/2Bi 1/2)TiO 3 - 0.18(K 1/2Bi 1/2)TiO 3 - 0.02BiScO 3 exhibits d 33 of 145 pC/N, K p of 25% and Q m of 150, and (Na 0.88Li 0.12)NbO 3 shows d 33 of 30 pC/N, K p of 17% and Q m of 3200. The processing and annealing conditions, which affect the properties of the alkali materials, are also investigated. Based on these studies it was concluded that nonlead (Na 0.5K 0.5)NbO 3 system has a high possibility of being used for actuator and transducer applications.

Original languageEnglish (US)
Pages (from-to)223-233
Number of pages11
JournalCeramic Transactions
Volume167
StatePublished - 2005

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Piezoelectric materials
Perovskite
Ferroelectric materials
Solid solutions
Alkalies
Oxides
Rare earths
Superconducting transition temperature
Transducers
Actuators
Phase transitions
Annealing
Temperature
Processing
perovskite

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

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title = "Nonlead perovskite piezoelectric materials",
abstract = "This study investigates the temperature dependence of piezoelectric properties in (Na 1/2Bi 1/2)TiO 3 - (K 1/2Bi 1/2)TiO 3 (NBT-KBT), (Na 1/2Bi 1/2)TiO 3 - BaTiO 3 (NBT-BT) and (Na 0.5K 0.5NbO 3 (KNN) solid solutions. It was found that the anti-ferroelectric transition temperature in NBT-BT and NBT-KBT solid solutions is in the range of 85 - 120 °C. The piezoelectric properties in the anti-ferroelectric phase disappear. However, rare-earth oxide modified (Na 0.5K 0.5)NbO 3 exhibits linear piezoelectric properties until 180 °C where it goes through orthorhombic to tetragonal phase transition which is of first order. At room temperature and under low field condition, (Na 0.5K 0.5)NbO 3 provides d 33 of 140 pC/N, K p of 44{\%} and Q m of 200; 0.80(Na 1/2Bi 1/2)TiO 3 - 0.18(K 1/2Bi 1/2)TiO 3 - 0.02BiScO 3 exhibits d 33 of 145 pC/N, K p of 25{\%} and Q m of 150, and (Na 0.88Li 0.12)NbO 3 shows d 33 of 30 pC/N, K p of 17{\%} and Q m of 3200. The processing and annealing conditions, which affect the properties of the alkali materials, are also investigated. Based on these studies it was concluded that nonlead (Na 0.5K 0.5)NbO 3 system has a high possibility of being used for actuator and transducer applications.",
author = "Shashank Priya and Akira Ando and Kenji Uchino",
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Nonlead perovskite piezoelectric materials. / Priya, Shashank; Ando, Akira; Uchino, Kenji.

In: Ceramic Transactions, Vol. 167, 2005, p. 223-233.

Research output: Contribution to journalArticle

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T1 - Nonlead perovskite piezoelectric materials

AU - Priya, Shashank

AU - Ando, Akira

AU - Uchino, Kenji

PY - 2005

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AB - This study investigates the temperature dependence of piezoelectric properties in (Na 1/2Bi 1/2)TiO 3 - (K 1/2Bi 1/2)TiO 3 (NBT-KBT), (Na 1/2Bi 1/2)TiO 3 - BaTiO 3 (NBT-BT) and (Na 0.5K 0.5NbO 3 (KNN) solid solutions. It was found that the anti-ferroelectric transition temperature in NBT-BT and NBT-KBT solid solutions is in the range of 85 - 120 °C. The piezoelectric properties in the anti-ferroelectric phase disappear. However, rare-earth oxide modified (Na 0.5K 0.5)NbO 3 exhibits linear piezoelectric properties until 180 °C where it goes through orthorhombic to tetragonal phase transition which is of first order. At room temperature and under low field condition, (Na 0.5K 0.5)NbO 3 provides d 33 of 140 pC/N, K p of 44% and Q m of 200; 0.80(Na 1/2Bi 1/2)TiO 3 - 0.18(K 1/2Bi 1/2)TiO 3 - 0.02BiScO 3 exhibits d 33 of 145 pC/N, K p of 25% and Q m of 150, and (Na 0.88Li 0.12)NbO 3 shows d 33 of 30 pC/N, K p of 17% and Q m of 3200. The processing and annealing conditions, which affect the properties of the alkali materials, are also investigated. Based on these studies it was concluded that nonlead (Na 0.5K 0.5)NbO 3 system has a high possibility of being used for actuator and transducer applications.

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