Development of high power piezoelectrics with enhanced vibrational velocity

Yongkang Gao, Kenji Uchino

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Reserchers at Penn State University undertook PZT-PSM based high power material development, loss mechanism analysis and high power origin investigation. Under high leve drive conditions, vibrational velocity (vo) increased relative to that of the base PZT-PSM ceramic. Most RE transition-metal substituents resulted in combinative hardening and softening doping effects in PZT-PSM ceramics, regardless of the ionic radii. Comparison of internal dipolar field and positive DC bias showed that they are the same as both stabilize preferred domain structures, lowering the loss factors.

Original languageEnglish (US)
Pages (from-to)90-98
Number of pages9
JournalMaterials Technology
Volume19
Issue number2
DOIs
StatePublished - Jan 1 2004

Fingerprint

ceramics
hardening
softening
Transition metals
Hardening
direct current
transition metals
Doping (additives)
radii

All Science Journal Classification (ASJC) codes

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

Cite this

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Development of high power piezoelectrics with enhanced vibrational velocity. / Gao, Yongkang; Uchino, Kenji.

In: Materials Technology, Vol. 19, No. 2, 01.01.2004, p. 90-98.

Research output: Contribution to journalArticle

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