Paper Title:
Multiferroic and Piezoelectric Behavior of Transition-Metal Doped ZnO Films
  Abstract

In this paper, we report the multiferroic and piezoelectric behavior observed in transition-metal doped ZnO films. The experimental results indicated that the Co-doped ZnO films deposited by magnetron sputtering possess a Curie temperature higher than 700K, and the magnetic moments of Co are intimatedly correlated to the doping concentration and the substrate. A giant magnetic moment of 6.1 B/Co is observed in (4 at.%) Co-doped ZnO films. Ferroelectric and ferromagnetic behaviors simultaneously were also obtained in V and Cr doped ZnO films on Pt(111)/Ti/SiO2/Si(100) substrates by reactive sputtering method, revealing a multiferroic nature. The high piezoelectric d33 coefficient 80-120 pm/V has also been achieved by Cr and V substitutions, which could make Cr-doped or V-doped ZnO a promising material in piezoelectric devices.

  Info
Periodical
Materials Science Forum (Volumes 620-622)
Edited by
Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee
Pages
735-740
DOI
10.4028/www.scientific.net/MSF.620-622.735
Citation
F. Pan, X. J. Liu, Y. C. Yang, C. Song, F. Zeng, "Multiferroic and Piezoelectric Behavior of Transition-Metal Doped ZnO Films", Materials Science Forum, Vols. 620-622, pp. 735-740, 2009
Online since
April 2009
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Price
$32.00
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