One-dimensional AGMI sensor with Co66Fe4Si 15B15 ribbon as sensing element

P. Kollu; L. Jin; K. W. Kim; S. S. Yoon; C. G. Kim

doi:10.1007/s00339-007-4317-x

One-dimensional AGMI sensor with Co₆₆Fe₄Si ₁₅B₁₅ ribbon as sensing element

P. Kollu
, L. Jin
, K. W. Kim
, S. S. Yoon
, C. G. Kim

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

A novel asymmetric giant magneto impedance (AGMI) sensor was developed and the performance of the sensor was carefully studied. This one dimensional sensor can be further developed as a two-dimensional compass that can be used for navigational purposes. We used commercial Metglas 2714A ribbon. The sensor uses Co₆₆Fe₄Si₁₅B₁₅ ribbon as a sensing element. The results showed for high sensitivity and resolution. The GMI sensor consists of a crystal oscillator voltage to current converter for providing the current to the sample, a differential amplifier, successive amplifier stages, multiplier, and cascaded low-pass filters. The observed sensitivity was 25 V/Oe. Angle sensitivity was found to be 2 mV/degree. Our sensor showed excellent linearity when compared with previous sensors [13, 14]. These sensors require dc bias coils and two sensor elements to attain good linearity.

Original language	English
Pages (from-to)	533-536
Number of pages	4
Journal	Applied Physics A: Materials Science and Processing
Volume	90
Issue number	3
DOIs	https://doi.org/10.1007/s00339-007-4317-x
State	Published - Mar 2008

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title = "One-dimensional AGMI sensor with Co66Fe4Si 15B15 ribbon as sensing element",

abstract = "A novel asymmetric giant magneto impedance (AGMI) sensor was developed and the performance of the sensor was carefully studied. This one dimensional sensor can be further developed as a two-dimensional compass that can be used for navigational purposes. We used commercial Metglas 2714A ribbon. The sensor uses Co66Fe4Si15B15 ribbon as a sensing element. The results showed for high sensitivity and resolution. The GMI sensor consists of a crystal oscillator voltage to current converter for providing the current to the sample, a differential amplifier, successive amplifier stages, multiplier, and cascaded low-pass filters. The observed sensitivity was 25 V/Oe. Angle sensitivity was found to be 2 mV/degree. Our sensor showed excellent linearity when compared with previous sensors [13, 14]. These sensors require dc bias coils and two sensor elements to attain good linearity.",

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AU - Kollu, P.

AU - Jin, L.

AU - Kim, K. W.

AU - Yoon, S. S.

AU - Kim, C. G.

PY - 2008/3

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AB - A novel asymmetric giant magneto impedance (AGMI) sensor was developed and the performance of the sensor was carefully studied. This one dimensional sensor can be further developed as a two-dimensional compass that can be used for navigational purposes. We used commercial Metglas 2714A ribbon. The sensor uses Co66Fe4Si15B15 ribbon as a sensing element. The results showed for high sensitivity and resolution. The GMI sensor consists of a crystal oscillator voltage to current converter for providing the current to the sample, a differential amplifier, successive amplifier stages, multiplier, and cascaded low-pass filters. The observed sensitivity was 25 V/Oe. Angle sensitivity was found to be 2 mV/degree. Our sensor showed excellent linearity when compared with previous sensors [13, 14]. These sensors require dc bias coils and two sensor elements to attain good linearity.

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One-dimensional AGMI sensor with Co₆₆Fe₄Si ₁₅B₁₅ ribbon as sensing element

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