Paper Title:
Electrical Characteristics and Microstructures of Nd2O3-Doped Bi4Ti3O12 Thin Films
  Abstract

Nd-doped bismuth titanate and random oriented Bi4-xNdxTi3O12 (BNT) thin films were fabricated on Pt/Ti/SiO2/Si substrates by rf magnetron sputtering technique. These samples had polycrystalline Bi-layered perovskite structure without preferred orientation, and consisted of well developed rod-like grains with random orientation. The remanent polarization (Pr) and coercive field (Ec) of the BNT film with x = 0.5 were above 19 μC/cm2 and 50 KV/cm, respectively. Nd doping into BIT caused a shift of the Curie temperature (TC) of the BIT from 675°C to 660, 520, 410 and 256oC for the films with x = 0.25, 0.5, 0.75 and 1.0, respectively. The experimental results indicated that Nd doping into BIT result in a remarkable improvement in ferroelectric and dielectric properties.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
152-154
DOI
10.4028/www.scientific.net/KEM.336-338.152
Citation
K.L. Su, Y.H. Sun, M. Chen, Z.M. Wan, Z.H. Hou, "Electrical Characteristics and Microstructures of Nd2O3-Doped Bi4Ti3O12 Thin Films", Key Engineering Materials, Vols. 336-338, pp. 152-154, 2007
Online since
April 2007
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$32.00
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