Ani, Sistin Asri (2007) Analisis Ukuran Dan Korelasi Nanopartikel Fe304 Dalam Fluida Magnetik Dengan Teknik Hamburan Neutron Sudut Kecil. UNSPECIFIED thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Telah dilakukan analisis ukuran dan korelasi nanopartikel Fe304 dalam fluida magnetik menggunakan Teknik Hamburan Neutron Sudut Kecil. Analisis ukuran partikel dilakukan dengan pendekatan daerah Guinier untuk memperoleh ukuran jari-jari girasi dalam partikel yang selanjutnya digunakan untuk menentukan rerata jari-jari partikel magnetit. Ukuran jari-jari partikel magnetit berkisar antara 17,8 - 53,6 nm. Pendekatan dengan model Poly Core Shell Ratio menunjukkan harga ukuran
rerata jari-jari partikel sebesar 25 nm dengan polidispersitas sebesar 0,4. Pengaruh konsentrasi fluida magnetik terhadap ketebalan lapisan surfaktan tidak menunjukkan perubahan harga yang signifikan yaitu sebesar 6 - 8 A dan dalam kisaran variasi 0,5 - 3 M belum ditemukan adanya korelasi antar partikel
magnetit dalam fluida magnetik
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Size and correlation analyses of Fe304 nanoparticles have been carried out by the measurement small angle neutron scattering. Particle size of magnetite is analyzed by Guinier region approximation in order to gain gyration radius, which will be used to determine the average radius of magnetite particles
resulting in the value between 17.8 nm and 53.6 nm. Further approximation using Poly Core Shell Ratio Model shows the average particle size of 25 nm with polydispersity of 0.4. The effect of magnetic fluids concentration on the thickness of surfactant layer has not shown a significant change whose is
6 - 8 A relating to the molar concentration value between 0.5 M and 3 M signifying no correlation among the particles in magnetic fluids
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Additional Information: | RSFi 539.721 3 Ani a |
| Uncontrolled Keywords: | nanopartikel, fluida magnetik, Hamburan Neutron Sudut Kecil |
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Physics > 45201-(S1) Undergraduate Thesis |
| Depositing User: | Mr. Tondo Indra Nyata |
| Date Deposited: | 23 Feb 2022 07:02 |
| Last Modified: | 08 Sep 2022 06:05 |
| URI: | http://repository.its.ac.id/id/eprint/94726 |
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