A study of oxygen ion implantation into ferroelectric Pb(Zr,Ti)O3 films

L. R. Zheng, P. X. Yang, L. W. Wang, C. L. Lin, S. C. Zou

Research output: Contribution to journalArticlepeer-review

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Abstract

Oxygen ions with 40 keV energy and doses of 1 × 1012 to 5 × 1014/cm2 were implanted into ferroelectric Pb(Zr,Ti)O3 (PZT) thin films. X-ray diffraction patterns show that no obvious difference appears in the crystalline structure of PZT films before and after implantation; however, measurement of electrical properties shows that both remanent polarization and dielectric constant of the film decrease with increase of the implanted ion dose. The PZT film will completely become a linear dielectric if the implanted ion dose increases to 5 × 1014/cm2. A possible mechanism for the loss of remanent polarization after ion implantation is proposed.

Original languageEnglish
Pages (from-to)621-623
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume127-128
DOIs
StatePublished - May 1997
Externally publishedYes

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