Thermal history induced variable relaxor behavior in the high TC ternary ferroelectric 0.6Bi(Mg1/2Ti1/2)O 3-0.05Bi(Zn1/2Ti1/2)O3-0. 35PbTiO3

Akansha Dwivedi, Clive A. Randall, George A. Rossetti

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Studies carried out on a perovskite-structured rhombohedral 0.6Bi(Mg 1/2Ti1/2)O3-0.05Bi(Zn1/2Ti 1/2)O3-0.35PbTiO3 (xBZT-yBMT-zPT) ceramic quenched from temperatures below 1000 °C show that the dielectric properties are dramatically altered by the thermal history. Samples quenched from temperatures 650 °C-900 °C show classical ferroelectric switching behavior that is not observed on either side of this temperature range. The quenched states lose their switchable ferroelectric properties when heated to temperatures as low as 400 °C. The results demonstrate for the first time that the dielectric and electromechanical response, as observed at room temperature, can be varied between normal to relaxor behavior by changing thermal quenching conditions.

Original languageEnglish (US)
Pages (from-to)3034-3036
Number of pages3
JournalMaterials Letters
Volume65
Issue number19-20
DOIs
StatePublished - Oct 1 2011

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Ferroelectric materials
histories
Temperature
temperature
dielectric properties
Dielectric properties
Perovskite
quenching
ceramics
Quenching
Hot Temperature
room temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "Studies carried out on a perovskite-structured rhombohedral 0.6Bi(Mg 1/2Ti1/2)O3-0.05Bi(Zn1/2Ti 1/2)O3-0.35PbTiO3 (xBZT-yBMT-zPT) ceramic quenched from temperatures below 1000 °C show that the dielectric properties are dramatically altered by the thermal history. Samples quenched from temperatures 650 °C-900 °C show classical ferroelectric switching behavior that is not observed on either side of this temperature range. The quenched states lose their switchable ferroelectric properties when heated to temperatures as low as 400 °C. The results demonstrate for the first time that the dielectric and electromechanical response, as observed at room temperature, can be varied between normal to relaxor behavior by changing thermal quenching conditions.",
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Thermal history induced variable relaxor behavior in the high TC ternary ferroelectric 0.6Bi(Mg1/2Ti1/2)O 3-0.05Bi(Zn1/2Ti1/2)O3-0. 35PbTiO3. / Dwivedi, Akansha; Randall, Clive A.; Rossetti, George A.

In: Materials Letters, Vol. 65, No. 19-20, 01.10.2011, p. 3034-3036.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Thermal history induced variable relaxor behavior in the high TC ternary ferroelectric 0.6Bi(Mg1/2Ti1/2)O 3-0.05Bi(Zn1/2Ti1/2)O3-0. 35PbTiO3

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AU - Randall, Clive A.

AU - Rossetti, George A.

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