Resistivity and magnetoresistance of Fe80B20 and Fe78B13Si9 amorphous glasses |
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Authors: | O El-shazly A I Abou-aly |
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Institution: | (1) Department of Physics, Faculty of Science, Alexandria University, Alexandria, Egypt |
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Abstract: | Summary The electrical resistivity of Fe80B20 and Fe78B13Si9 amorphous glasses as a function of temperature from 293 K down to 15 K was measured, and it was found to fit quite well with
the model given by Cote and Meisel. Comparison between our resistivity measurements of Fe80B20 and others was made, where some differences were found. These resistivity differences are evidence for a variety of amorphous
atomic arrangements of the samples. The longitudinal magnetoresistance of Fe80B20 and Fe78B13Si9 at 293K and 77K was measured in a low magnetic field. The observed magnetoresistance shows a typical field dependence known
for ferromagnetic materials. |
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Keywords: | Electronic conduction in metals and alloys |
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