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1999 Fiscal Year Final Research Report Summary

Evaluation of ferroelectric Domain Structures on Bulk and Surface in Lead Zirconate Titanate Ceramics

Research Project

Project/Area Number 09650370
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Electronic materials/Electric materials
Research InstitutionShizuoka Institute of Science

Principal Investigator

OGAWA Toshio  Shizuoka Institute of Science and Technology, Science and Technology, Associate Professor, 理工学部, 助教授 (40247573)

Project Period (FY) 1997 – 1999
Keywordslead zirconate titanate / lead titanate / barium titanate / ferroelectric domain / poling field dependence / 180゜ domain clamping / pulse poling / transient phenomena
Research Abstract

(1) Statical evaluation of ferroelectric domain structures
(1) The minimum planar coupling factors (kp) were obtained at the coercive fields (Ec) in case of hard and soft lead zirconate titanate (PZT), lead titanate (PT) and barium titanate (BT) ceramics. The 180゜ domain clamping occurred at the Ec.
(2) The minimum dielectric constant (εr) and maximum frequency constant (fcp) were mainly observed at Ec in case of hard tetragonal PZT, soft PZT, PT and BT ceramics. On the other hand, these were not observed in case of hard rhombohedarl PZT ceramics.
(3) The poling field dependence of εr could be explained by the domain switching and rotation.
(2) Dynamical evaluation of ferroelectric domain structures
(1) From the pulse cycle dependence of the remanent polarization (Pr), the Pr decreased with the increase of the pulse cycle. Further increasing the cycle, the Pr increased with the increase of the cycle. We call the decrease in Pr transient phenomena due to the electrical domain clamping.
(2) The bipolar pulse poling was confirmed by the asymmetry P-E hysteresis loops. The shifted direction of P-E loops was determined by the combination of the bipolar pulses.
(3) It was found that a space charge field was generated while applying pulse and the direction of the field was fixed independent of the pulse cycle.
From both the evaluations, it could be clarified the poling field and pulse response dependence of domain structures in ferroelectric ceramics such as PZT, PT and BT ceramics. We believe the data obtained were useful to develop ferroelectric random access memory (FRAM), domain-controlled ferroelectric ceramic devices and piezoelectric ceramic devices applied to high power use.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] T.Ogawa and K.Nakamura: "Effect of Domain Switching and Rotation on Dielectric and Piezoelectric Properties in Lead Zirconate Titanate Ceramics"Jpn. J. Appl. Phys.. 38. 5465-5469 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Ogawa and K.Nakamura: "Pulse Response Measurement of Transient Phenomena on Ferroelectric Domains in PZT Ceramics"Ferroelectrics. 231. 19-24 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Ogawa: "Domain Structure of Ferroelectric Ceramics"Ceramics : Getting into the 2000's (Advances in Science and Technology 17 ; Techna Srl., Italy). Part E. 193-203 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Ogawa and K.Nakamura: "Poling Field Dependence of Ferroelectric Properties and Crystal Orientation in Rhombohedral Lead Zirconate Titanate Ceramics"Jpn. J. Appl. Phys.. 37. 5241-5245 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Ogawa, A.Yamada, Y.K.Chung and D.I.Chun: "Effect of Domain Structures on Electrical Properties in Tetragonal PZT Ceramics"J. Korean Phys. Soc.. 32. S724-S726 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.Yamada, T.Ogawa and Y.K.Chung: "Crystal Orientation of Tetragonal Lead Zirconate Titanate Ceramic Surface and Its Aging Behavior"Jpn. J. Appl. Phys.. 36. 5958-5962 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T.Ogawa and K.Nakamura: "Effect of Domain Switching and Rotation on Dielectric and Piezoelectric Properties in Lead Zirconate Titanate Ceramics"Jpn.J.Appl.Phys.. 38-9B. 5465-5469 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Ogawa and K.Nakamura: "Pulse Response Measurement of Transient Phenomena on Ferroelectric Domains in PZT Ceramics"Ferroelectrics. 231. 19-24 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Ogawa: "Domain Structure of Ferroelectric Ceramics"Ceramics : Getting into the 2000's (Advances in Science and Technology 17 ; Techna Srl., Italy). Part E. 193-203 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Ogawa and K.Nakamura: "Poling Field Dependence of Ferroelectric Properties and Crystal Orientation in Rhombohedral Lead Zirconate Titanate Ceramics"Jpn.J.Appl.Phys.. 37-9B. 5241-5245 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.Ogawa, A.Yamada, Y.K.Chung and D.I.Chun: "Effect of Domain Structures on Electrical Properties in Tetragonal PZT Ceramics"J.Korean Phys.Soc.. 32. S724-S726 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] A.Yamada, T.Ogawa and Y.K.Chung: "Crystal Orientation of Tetragonal Lead Zirconate Titanate Ceramic Surface and Its Aging Behavior"Jpn.J.Appl.Phys.. 36-9B. 5958-5962 (1997)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2001-10-23  

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