Dielectric Properties of Barium Strontium Titanate (BST) Thin Films In Light Sensor Materials
DOI:
https://doi.org/10.11594/nstp.2025.4802Keywords:
Barium Strontium Titanate (BST), Chemical Solution Deposition (CSD), Pulsed Laser Deposition (PLD), sputtering, Metallo Organic Chemical Vapor Deposition (MOCVD)Abstract
A barium strontium titanate (BST) 1 M thin film was grown on a p-type Si (100) subtract using the chemical solution decomposition (CSD) method followed by a spin process after an annealing holding period of 15 hours at temperatures of 750 ?C and 775 ?C. Coating at 3000 rpm for 30 seconds. The optical characteristics test, which uses absorbance and transmittance measurement, demonstrates that increasing the annealing temperature can improve BST's absorbance and gap energy properties. The true plot approach yielded a gap energy of 3.05 eV at 750 ?C and 3.225 eV at 775 ?C.
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Copyright (c) 2025 Faanzir Faanzir, Umar Umar, Iswan Iswan, Ramly Rasyid, Irzaman
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