PENGARUH FREKUENSI GELOMBANG ULTRASONIK TERHADAP STRUKTUR KRISTAL DAN SIFAT MAGNET NANO PARTIKEL MAGNETIT (Fe3O4)

LA JONAL, NIM. 09620004 (2014) PENGARUH FREKUENSI GELOMBANG ULTRASONIK TERHADAP STRUKTUR KRISTAL DAN SIFAT MAGNET NANO PARTIKEL MAGNETIT (Fe3O4). Skripsi thesis, UIN SUNAN KALIJAGA.

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Abstract

It synthesized magnetite nanoparticles (Fe3O4) iron sand based on material through a sonochemical method which frequency modulated. The differences in size of magnetic nanoparticles in accordance withthe variation of ultrasonic wave frequency: 20 kHz, 40 kHz and 80 kHz. The results of the magnetite synthesis (Fe3O4) were characterized using X-Ray Diffraction (XRD) and Vibrating Sampel Magnetometer (VSM), respectively performed to determinethe phase formed, grain size, crystal structure and magnetite properties. Based on the results of the crystal structure characterization of magnetite together with the data JCPDS (Joint Committee Powder Standart) no. 19-0629 with the average size, that is (19 ± 1,8) nm, (19 ± 1,9) nm, (19 ± 2,4) nm. The results of the characterization showed that ultrasonic frequency did not effect at the structure of magnetite crystals. This structure still have form face center cubic (fcc). The magnetic properties of magnetite nanoparticles (Fe3O4) of characterization results, namely superparamagnetic. This study showed that synthesis through sonochemical method generates a small magnetic nanoparticles to nano size with superparamagnetic characterized.

Item Type: Thesis (Skripsi)
Additional Information: Pembimbing : Retno Rahmawati, M.Si
Uncontrolled Keywords: Keywords: Iron sand, sonochemical, magnetite nanoparticles (Fe3O4), crystal structure, superparamagnetic.
Subjects: Fisika
Divisions: Fakultas Sains dan Teknologi > Fisika (S1)
Depositing User: Miftahul Ulum [IT Staff]
Date Deposited: 01 Jul 2014 13:49
Last Modified: 29 Jan 2016 10:44
URI: http://digilib.uin-suka.ac.id/id/eprint/13289

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