Gamma Irradiation Effect on Asymmetric Giant Magnetoimpedance of Co68. 15Fe4. 35Si12. 5B15 Amorphous Alloy

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Ramazani Moghaddam Arani Ahmad; Roozmeh Sayed Ehsan

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Journal: Journal of Radiation Safety and Measurement Year:2019 | Volume:8 | Issue:4 (supplement) Page(s): 197-202

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Title

Gamma Irradiation Effect on Asymmetric Giant Magnetoimpedance of Co68. 15Fe4. 35Si12. 5B15 Amorphous Alloy

Author(s)

Ramazani Moghaddam Arani Ahmad | Roozmeh Sayed Ehsan | Issue Writer Certificate

Keywords

Magneto impedanceQ1

AnnealingQ2

Gamma rayQ2

Amorphous alloysQ1

Magnetic sensorsQ1

Abstract

The giant Magneto impedance (GMI) effect is a large variation in the electrical impedance of a magnetic conductor when subjected to a static magnetic field. The sensitivity to the direction (AGMI) and magnitude of applied magnetic field and also linearity levels of this effect are three important parameters in Magnetic sensors application. A suitable Annealing procedure can be used to achieve an optimum response of GMI by reducing the quenched-in internal stresses and induces transverse magnetic anisotropy. In this research the effect of irradiation of Gamma rays from two gamma sources (60Co, 137Cs) on the asymmetry of GMI of Co68. 15Fe4. 35Si12. 5B15 amorphous alloy is studied. The optimum asymmetry of studied sample obtained after 30 (24) hours irradiation by photons emitted by 60Co (137Cs) source. The X-ray diffraction pattern shows a transition from amorphous phase to a crystalline phase in samples. Results show that induced changes by irradiation with 137Cs source leads to a better sensitivity to direction of applied magnetic field especially in case of irradiated sample for 24 hours. This sample can be considered a good magnetic sensor candidate.

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APA: Copy

Ramazani Moghaddam Arani, Ahmad, & Roozmeh, Sayed Ehsan. (2019). Gamma Irradiation Effect on Asymmetric Giant Magnetoimpedance of Co68. 15Fe4. 35Si12. 5B15 Amorphous Alloy. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, 8(4 (supplement) ), 197-202. SID. https://sid.ir/paper/392244/en

Vancouver: Copy

Ramazani Moghaddam Arani Ahmad, Roozmeh Sayed Ehsan. Gamma Irradiation Effect on Asymmetric Giant Magnetoimpedance of Co68. 15Fe4. 35Si12. 5B15 Amorphous Alloy. IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT[Internet]. 2019;8(4 (supplement) ):197-202. Available from: https://sid.ir/paper/392244/en

IEEE: Copy

Ahmad Ramazani Moghaddam Arani, and Sayed Ehsan Roozmeh, “Gamma Irradiation Effect on Asymmetric Giant Magnetoimpedance of Co68. 15Fe4. 35Si12. 5B15 Amorphous Alloy,” IRANIAN JOURNAL OF RADIATION SAFETY AND MEASUREMENT, vol. 8, no. 4 (supplement) , pp. 197–202, 2019, [Online]. Available: https://sid.ir/paper/392244/en

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