Optical Properties of Fe3O4 Magnetic Fluid from Iron Sand

A. Puspitaningrum and A. Taufiq and A. Hidayat and Sunaryono and N. Hidayat and Samian (2017) Optical Properties of Fe3O4 Magnetic Fluid from Iron Sand. IOP Conference Series: Materials Science and Engineering, 202. pp. 1-9. ISSN 1757-899X

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Nowadays, a high sensitive sensor for the magnetic field has become an essential tool that vastly desired in several fields, especially in biomedical application. Therefore, the development of preparing material for the magnetic sensor becomes crucial to be conducted. In this experimnet, we propose the use of Fe3O4 magnetic fluid prepared from a local iron sand in Indonesia as a material for a magnetic sensor. In this work, optical activities of the Fe3O4 magnetic fluid as the effect of magneto-optics were performed under varying external magnetic field. The polarization direction change of the laser was detected as a function of the external magnetic field with the exponential function. Moreover, the intensity collected by a photodetector exhibited a linear correlation with the external magnetic field. These phenomena become strong evidence that the prepared Fe3O4 magnetic fluid opens potential to be applicated further as sensors, especially as a high sensitive optics-based sensor for the magnetic field.

Item Type: Article
Uncontrolled Keywords: Magnetic fluid, Fe3O4, iron sand, polarization, magneto-optic.
Subjects: Q Science > QC Physics > QC1-999 Physics
Divisions: 08. Fakultas Sains dan Teknologi > Fisika
A. PuspitaningrumUNSPECIFIED
Depositing User: Mr Akhmad Nurfizal Reza
Date Deposited: 14 Mar 2021 14:11
Last Modified: 14 Mar 2021 14:11
URI: http://repository.unair.ac.id/id/eprint/101236
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