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Hall effect in Zr-Ni and Zr-Cu metallic glasses doped with hydrogen

We have studied the effect of hydrogen doping on the Hall resistivity of paramagnetic Zr76Ni24, Zr40Ni60, Zr70Cu30, and Zr60Cu40 metallic glasses. All the alloys have positive Hall coefficients except the Zr40Ni60. The hydrogen dopant increases the absolute value of the Hall coefficient irrespective of its sign, except in the case of (Zr70Cu30)1−xHx, where the Hall coefficient decreases for low hydrogen concentrations (x<0.04) and increases at higher ones, while staying positive all the time. The results are explained as being due to the enhanced s-d hybridization.

Hall effect ; metallic glass ; hydrogen

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