Electrical Properties BaTiO3 Thick Films with an Interlayer SrTiO3 Thin Films

Abstract:

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The BaTiO3/SrTiO3 heterolayered thick films were fabricated by two different methods – thick films of BaTiO3 by screen printing method on alumina substrates electrodes with Pt, thin films of SrTiO3 by the spin-coating method on BaTiO3 thick films and once more thick films of BaTiO3 by the screen printing method on SrTiO3 layer. The leakage current and the dielectric properties were investigated for effect of various stacking sequence of sol-gel-prepared SrTiO3 layer at interface of BaTiO3 thick films. The insertion of SrTiO3 interlayer yielded BaTiO3 thick films with homogeneous and dense grain structure with the number of SrTiO3 layers. The leakage current density of the BaTiO3/SrTiO3-7 film is less that 1.5  10-9 A/cm2 at 5 V.

Info:

Periodical:

Solid State Phenomena (Volumes 124-126)

Edited by:

Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park

Pages:

659-662

DOI:

10.4028/www.scientific.net/SSP.124-126.659

Citation:

S. P. Nam et al., "Electrical Properties BaTiO3 Thick Films with an Interlayer SrTiO3 Thin Films", Solid State Phenomena, Vols. 124-126, pp. 659-662, 2007

Online since:

June 2007

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Price:

$35.00

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