Paper Title:
Dielectric and Ferroelectric Properties of Ba1-xSrxTiO3 Thin Films Prepared by Pulsed Laser Deposition
  Abstract

In this work, BST (x=0.7, 0.5, 0.3) films have been deposited onto Nb-SrTiO3 substrate with pulsed laser deposition. The crystal structure and surface morphology have been characterized by X-ray diffraction (XRD) and atomic force microscopy, respectively. XRD results revealed that in certain elaboration condition the films were aligned along (00l) direction, normal to the substrate surface. The dielectric loss, relative dielectric permitivity, and polarization of BST films strongly depended on Sr content at room temperature. The tunability of relative dielectric permitivity of BST films exhibited strongly dependence on Sr content, and BST-0.5 shows the maximun K (K = tunability/loss) value.

  Info
Periodical
Key Engineering Materials (Volumes 280-283)
Edited by
Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li
Pages
81-84
DOI
10.4028/www.scientific.net/KEM.280-283.81
Citation
S.Y. Wang, B. L. Cheng, C. Wang, W. Peng, S.Y. Dai, Z. H. Chen, "Dielectric and Ferroelectric Properties of Ba1-xSrxTiO3 Thin Films Prepared by Pulsed Laser Deposition", Key Engineering Materials, Vols. 280-283, pp. 81-84, 2005
Online since
February 2007
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$32.00
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