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http://dx.doi.org/10.4283/JKMS.2013.23.6.205

Study on the Linear Magnetic Field Sensor Using ΔE in Amorphous Ribbon  

Park, S.Y. (Department of Materials Science and Engineering, Chungnam National University)
Kim, C.G. (Department of Materials Science and Engineering, Chungnam National University)
Ryu, K.S. (Division of Industrial Metrology, Korea Reseach Institute of Standards and Sicence)
Kim, D.Y. (Department of Physics, Andong National University)
Abstract
The width dependence of Delta E has been studied by impedance resonance method in Fe-rich amorphous ribbon of as received state. It can be explained by single domain model include effective magnetic field $H_{eff}$ and demagnetization factor $N_d$. Wider width ribbon's effective is smaller than narrow it. Young's modulus also smaller than narrow width. These result well agreement in calculation. It has been also studied that linear magnetic field sensor using width dependence of Delta E under the field range 0 Oe~80 Oe. The sensitivity of the sensor was found to be 95 Hz/Oe.
Keywords
Delta E(${\delta}$E); amorphous ribbon; linear magnetic sensor; impedance resonance; Young's mod;
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