Sintesis Bahan Piezoelektrik BNT-BT dengan Penambahan Ta2O5 Menggunakan Metode Solid State Reaction
DOI:
https://doi.org/10.25077/jfu.2.4.%25p.2013Abstract
Telah dilakukan sintesis bahan piezoelektrik BNT-BT dengan penambahan Ta2O5 menggunakan metode solid state reaction. Pada metode ini dilakukan penggerusan selama 4 jam, kompaksi dengan tekanan 5000 psi, kalsinasi selama 1 jam pada suhu 300oC dan sintering pada suhu 1000oC selama 4 jam. Pada penelitian ini, dilakukan variasi terhadap penambahan BaTiO3 sebesar 3%, 5%, 7% dan 9%. Sampel dikarakterisasi menggunakan XRD dan SEM. Berdasarkan XRD, diperoleh bahwa bahan BNT-BT-Ta memiliki struktur tetragonal karena menghasilkan parameter kisi a dan b sebesar 3,87; 3,88; 3,89; 3,90 dan nilai c sebesar 3,88; 3,89; 3,90; 3,91 dengan sudut α,β dan γ adalah 90o. Bentuk morfologi dari bahan BNT-BT-Ta berbentuk jarum, tetapi pada saat penambahan 9% BT, bentuk mikrograf dari bahan tidak terlihat jelas karena butiran-butiran kristal bergabung dan tidak teratur.Downloads
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Copyright (c) 2014 Sonya Rahayu, Astuti -, Mardiyanto -
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