Design and Implementation of Vibrating Sample Magnetometer Based on Gradiometer RF SQUID

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Hosseini, Nahid | 2011

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 42684 (05)
University: Sharif University of Technology
Department: Electrical Engineering
Advisor(s): Fardmanesh, Mehdi
Abstract:
The aim of this project is design and implementation of the “gradiometer RF SQUID base Vibrating Sample Magnetometer (VSM)”. Different sections of the system have been designed such as pick up coils, vibration system and electronic circuits. The piezoelectric crystal has been concerned for vibration system. At the first step, we have implemented the basic VSM system. In the basic system, voltage induces in two series opposite pick up coils and its output is recognizable via electronic circuits. At the second phase of the project, the electronic circuits of basic VSM system have been replaced with the RF SQUID gradiometer and its electronic circuits. Afterwards, the sensitivity and the gain of the system have been improved. Besides, optimization in the geometry of pick up coils and system calibration have been accomplished in the project
Keywords:
Radio Frequency Superconducting Quantum Interference Device (SQUID) ; Pick Up Coil ; Vibrating Sample Magnetometer (VSM)

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