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Glass Formation, Chemical Properties and Surface Analysis of Cu-Based Bulk Metallic Glasses
Int. J. Mol. Sci. 2012, 13(1), 180-186; doi:10.3390/ijms13010180
Article

The Effect of Hydrogen Content on Ballistic Transport Behaviors in the Ni-Nb-Zr-H Glassy Alloys

*  and
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
* Author to whom correspondence should be addressed.
Received: 9 October 2011 / Revised: 6 December 2011 / Accepted: 14 December 2011 / Published: 23 December 2011
(This article belongs to the Special Issue Advances in Bulk Metallic Glasses)
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Abstract

The electronic transport behaviors of (Ni0.39Nb0.25Zr0.35)100−xHx (0 ≤ x < 23.5) glassy alloys with subnanostructural icosahedral Zr5Nb5Ni3 clusters have been studied as a function of hydrogen content. These alloys show semiconducting, electric current-induced voltage (Coulomb) oscillation and ballistic transport behaviors. Coulomb oscillation and ballistic transport occur at hydrogen contents between 6.7 and 13.5 at% and between 13.5 and 21.2 at%, respectively. These results suggest that the localization effect of hydrogen in the clusters plays an important role in various electron transport phenomena.
Keywords: glassy alloy; centimeter-sized ballistic transport; hydrogen doping; icosahedral cluster glassy alloy; centimeter-sized ballistic transport; hydrogen doping; icosahedral cluster
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Fukuhara, M.; Umemori, Y. The Effect of Hydrogen Content on Ballistic Transport Behaviors in the Ni-Nb-Zr-H Glassy Alloys. Int. J. Mol. Sci. 2012, 13, 180-186.

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