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Materials 2010, 3(12), 5212-5219; doi:10.3390/ma3125212
Article

Positive and Negative Temperature Dependence in the Resistivity of Crystallized Zr-Fe-Ni Metallic Glasses

Department of physics, Faculty of Science, United Arab Emirates University, Al-Ain, P.O. BOX 17551, UAE
Received: 4 November 2010 / Revised: 28 November 2010 / Accepted: 3 December 2010 / Published: 7 December 2010
(This article belongs to the Special Issue Amorphous Alloys)
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Abstract

Ni0.25Fe0.75Zr3 metallic glassy ribbons were annealed in evacuated quartz ampoules beyond the crystallization temperatures (Tx ~655 K) over the range 773 to 1,173 K for varying periods of time. The resistivity of samples annealed over the temperature range 923 to 1,073 K for periods less than four hours increased as a function of decreasing temperature, while it decreased for samples annealed for more than four hours or at temperatures below 923 K or above 1,073 K for any period of time. All the annealed samples were found to contain only Ni, Fe and Zr from energy dispersive X-ray (EDX) analyses.
Keywords: metallic glasses; amorphous alloys; electrical resistivity; recrystallization; nano-crystallization metallic glasses; amorphous alloys; electrical resistivity; recrystallization; nano-crystallization
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hamed, F. Positive and Negative Temperature Dependence in the Resistivity of Crystallized Zr-Fe-Ni Metallic Glasses. Materials 2010, 3, 5212-5219.

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