Temperature dependence of electrical resistivity of Zr–Cu–Al–Ni–Nb bulk metallic glasses below 300K

The temperature dependence of electrical resistivitiy of Zr55Cu30-XAl10Ni5NbX (numbers indicate at.% X=0, 1, 3 and 5) bulk metallic glasses was investigated below 300K. For the Zr55Cu(30-X)Al10Ni5NbX alloys with X=1, 3 and 5 consisting of nanocrystals dispersed in the amorphous matrix, the electrica...

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Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2007-03, Vol.449-451, p.548-551
Main Authors: Okai, D., Nanbu, A., Fukami, T., Yamasaki, T., Zhang, T., Yokoyama, Y., Motoyama, G., Oda, Y., Kimura, H.M., Inoue, A.
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container_title Materials science & engineering. A, Structural materials : properties, microstructure and processing
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creator Okai, D.
Nanbu, A.
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Inoue, A.
description The temperature dependence of electrical resistivitiy of Zr55Cu30-XAl10Ni5NbX (numbers indicate at.% X=0, 1, 3 and 5) bulk metallic glasses was investigated below 300K. For the Zr55Cu(30-X)Al10Ni5NbX alloys with X=1, 3 and 5 consisting of nanocrystals dispersed in the amorphous matrix, the electrical resistivities decreased abruptly below approximately 2.3-2.9K. For the amorphous Zr55Cu30Al10Ni5 alloy, the electrical resistivitiy increased with decreasing temperature from 300K up to approximately 2.0K. The significant decrease of electrical resistivities of nanocrystal-dispersed amorphous alloys was attributable to the zero-resistivity effect of superconducting phases contained in the alloys. The Nb addition to Zr55Cu30Al10Ni5 metallic glass was found to precipitate superconducting phases within the amorphous matrix.
doi_str_mv 10.1016/j.msea.2006.02.446
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title Temperature dependence of electrical resistivity of Zr–Cu–Al–Ni–Nb bulk metallic glasses below 300K
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