Advances in Bioscience and Bioengineering

Advances in Bioscience and Bioengineering (ISSN 2201-8336) publishes papers in all aspects of Bioscience and Bioengineering, including but not limited to: Aerobiology; Anthropology; Biocatalysis; Biochemical Genetics; Biochemistry; Bioinformatics; Bioinformatics; Biological Engineering; Biological Evolution; Biomaterials; Biomathematics; Biomechanics; Biomedical Diagnosis; Biomedical technology; Biomedical Therapy; Biophysics; Bioprocess Design; Biostatistics; Botany; Cytobiology; Developmental Biology; Ecology; Entomology; Enzyme Engineering; Genetic Engineering; Genetics; Horizontal gene transfer; Immunology; Microbiology; Molecular Biology; Nano-Bio-Analysis; Neurobiology; Pathology; Physiology; Protein Engineering; Radiation Biology; Synthetic Biology; Tissue Culture Engineering; Virology; Zoology.

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Vol 5, No 1

Table of Contents

Articles

Fabrication and Characterization of Barium Titanate Oxide(BaTiO3) Based Multilayer Capacitor PDF
O.P. Elenwo, I.O. Owate, E.B. Otokunefor
This dissertation focused on the fabrication and electrical characterization of multilayer ceramic capacitors of various compositions using barium titanate oxide (BaTiO3). Wet mixing fabrication procedure was followed in the production of the samples of multi-layer ceramic capacitors. Standard reagents grade oxides together with some alkanol families were used for the mixing of the samples. Stainless steel die was used for sample compaction to reduce unwanted dopants. Samples were prepared from a doped BaTiO3 composition by mixing 10.0 wt% BaTiO3 with 0.1 wt% of BaCO3. This doped BaTiO3 was mixed together with varying percentages of other additives representing (A,B,C,D,E) high BaTiO3,  and low (F,G,H,J,K) BaTiO3 contents groups respectively. There were two special samples containing Cr2O3 and ZnO. The result of the analysis are  as follows; the sintered samples has a lower density, higher porosity and higher dielectric constant while the heat treated samples has high density, lower porosity and lower dielectric constant at both 950oC and 1100oC temperatures for high barium titanate oxide composition samples. The porosity trend was not defined with the samples of low barium titanate oxide contents at different temperature. The research found that at the   sintering temperature of 950oC, the relative dielectric constants was highest (1361.006) for samples of high barium titanate oxide contents and low at the heat treated samples of the same contents.



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