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All Journal Spektra: Jurnal Fisika dan Aplikasinya
Rahmi Afrida Syahraini
Physics Dept, Math and Science Faculty, Universitas Riau, Pekanbaru, 28293, Indonesia
Aerospace Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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THE DETERMINATION OF BARIUM STRONTIUM TITANATE THIN FILM BAND GAP ENERGY Ba0,15Sr0,85TiO3 USING ULTRAVIOLET-VISIBLE SPECTROSCOPY Rahmi Dewi; Krisman Krisman; Zulkarnaen Zulkarnaen; Rahmi Afrida Syahraini; TS Luqman Husein
Spektra: Jurnal Fisika dan Aplikasinya Vol 5 No 1 (2020): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 5 Issue 1, April 2020
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.693 KB) | DOI: 10.21009/SPEKTRA.051.02

Abstract

A thin layer of Barium Strontium Titanate Ba0.15Sr0.85TiO3 (BST) was developed on a glass substrate using a sol-gel method with annealing temperatures and spin coating process at 3500 rpm for 30 seconds. The annealing temperature varied from 600oC, 650oC, and 700oC. Characterization of optical properties was developed using UV-Vis spectroscopy to determine the energy bandgap. The values of the BST thin layer energy band at the annealing temperature were 3.55 eV, 3.32 eV, and 3.10 eV, respectively. The results indicate that the BST thin film was a semiconductor material.
Co-Authors Krisman Krisman Rahmi Dewi TS Luqman Husein Zulkarnaen Zulkarnaen