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Journal : Jurnal Fisika Unand

Sifat Listrik Material Ferroelektrik Barium Titanat (BaTiO3) dengan Doping Cerium (Ce) Wijaya, Vivi; Elvaswer, Elvaswer
Jurnal Fisika Unand Vol 10, No 1 (2021)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.10.1.111-116.2021

Abstract

Pembuatan material ferroelektrik Barium Titanat (BaTiO3) didoping cerium (Ce) telah dilakukan. Pemberian variasi komposisi doping dilakukan untuk mengetahui nilai konstanta dielektrik, rugi-rugi dielektrik, tingkat kekeristalan serta ukuran kristal tiap sampel. Sampel dibuat menggunakan metode solid state reaction dengan persentase doping Ce 0%, 1%, 2%, 3%, 4% dan 5% mol yang dikompaksi dalam bentuk pelet. Satelah sampel disintering pada suhu 700°C selama 4 jam, dilakukan karakterisasi menggunakan RLC meter dengan variasi frekuensi 100 Hz, 120 Hz dan 1 KHz dan karakterisasi XRD. Diperoleh hasil bahwa pengaruh doping menaikkan nilai konstanta dielektrik pada komposisi doping 1% mol pada frekuensi 100 Hz dengan nilai konstanta dielektrik sebesar 4220. Pada komposisi  doping 1% ini juga ditemukan nilai faktor desipasi tertinggi yaitu sebesar 4,45. Pada uji XRD ditemukan  komposisi doping 1% memiliki nilai tingkat kekristalan yang lebih besar dari komposisi doping 3% yaitu sebesar 89% Dielectric is a material that is widely developed in technology, especially in applications as capacitors. A study entitledthe effect of the doping composition of cerium (Ce) on barium titanate (BaTiO3) for the dielectric constant and the cyrstal structure ofBa1-xCexTiO3has been conducted. This study aims to determine the effect og giving the doping composition Ce (x=1%, 2%, 3%, 4%, 5%) on BaTiO3, knowing the dissipation factor and the dielectric constant ofBa1-xCexTiO3.The solid state reaction method wasused in this study by reacted the solids in form of powders at a high temperature 750°C for 4 hours. The RLC meter is used to measure the capacitance and then it is processed and the highest dielectic constant and highest dissipation factor are obtained at the 1% doping composition of 55389,387 with a dissipation factor 2,74. The crystal structure was analyzed using xrd, and the highesst intensity results were in composition at 1% doping and 152,84. The hightest crytallinity formed was 89,11 but the largest crystal size was obtained in composition 3% doping is 36,7549 nm