Karakterisasi Sifat Kemagnetan Dan Kelistrikan Pada Komposit Core-Shell Barium M-Heksaferit Doping Ion Zn (Bafe12-Xznxo19)/Polianilin

Siswiyanto, Novita Ratnasari (2013) Karakterisasi Sifat Kemagnetan Dan Kelistrikan Pada Komposit Core-Shell Barium M-Heksaferit Doping Ion Zn (Bafe12-Xznxo19)/Polianilin. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Telah dilakukan penelitian mengenai pengaruh variasi doping ion Zn 0,3; 0,5; 0,7 pada serbuk Barium M-Heksaferit (BaFe12-xZnxO19) dengan metode kopresipitasi sederhana yang dilakukan untuk menyintesis serbuk Barium M-Heksaferite BaFe12- xZnxO19 dan dikalsinasi pada suhu 1000o C selama 4 jam. Dan metode in-situ polimerization untuk sintesis komposit core-shell PANi/BaM. Serbuk PANi/Barium M-Heksaferit BaFe12-xZnxO19 dikarakterisasi dengan VSM dan two point probe. Pemberian doping ion Zn yang semakin banyak mempengaruhi sifat kemagnetan menjadi semakin soft magnetic seperti pada BaFe11,3Zn0,7O19 yaitu dengan nilai remanensi magnetik sebesar 10,79 emu/gr dan medan koersivitas sebesar 34,57×10-2 T. Konduktivitas dari komposit dengan variasi ion doping pada filler yaitu 0,39×10 -3 - 4,8×10 -3 S/cm. Dari hasil pengamatan TEM didapatkan bahwa komposit mempunyai struktur core–shell, dengan BaM sebagai core yang dilapisi oleh PANi dengan diameter rata-rata komposit ~190 nm dengan diameter filler ~101(6) nm. ========== Research has been done on the effect of variations in ion doping Zn 0,3; 0.5; 0,7 on Barium M-Hexaferrite (BaFe12 - xZnxO19) powder with a simple coprecipitation method undertaken to synthesize Barium M-Hexaferrite (BaFe12 - xZnxO19) and calcined at temperature of 1000o C for 4 hours. And in-situ polymerization method for the synthesis of core-shell composite PANi/BaFe12-xZnxO19. PANi/BaFe12-xZnxO19 characterized by VSM and two point probe method. Giving doping Zn ions are influence for the magnetic properties become more soft magnetic like the BaFe11,3Zn0,7O19 ie with magnetic remanence value of 10.79 emu/g and coercivity field of 34,57×10- 2 T. Conductivity of composites with various filler ion doping on the 0,39×10-3 – 4,8×10-3 S/cm. From the results of TEM observation showed that the composites have a core-shell structure, with BaFe12-xZnxO19 as a core coated by PANi with an average diameter of ~190 nm composite with filler diameter ~101(6) nm.

Item Type: Thesis (Undergraduate)
Additional Information: RSFi 546.395 Sis k
Uncontrolled Keywords: PANi/BaM, Zn, kopresipitasi, in-situ polimerization, kemagnetan, konduktivitas, coprecipitation, insitu polymerization, magnetization, conductivity
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL240.5 Composite materials
Divisions: Faculty of Mathematics and Science > Physics > 45201-(S1) Undergraduate Thesis
Depositing User: - Davi Wah
Date Deposited: 03 Jul 2019 09:21
Last Modified: 03 Jul 2019 09:21
URI: http://repository.its.ac.id/id/eprint/63335

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