Conclusions
The amount of conduction electrons grows with the rise in nickel concentration in the boride phases. The Fermi energy shifts toward larger values, and the contribution of the two electron bands to conduction increases. With rise in temperature, for the NiB phase the overlapping of the zones and the effective carrier mass decrease, but for Ni2B and Ni3B the latter increases.
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Translated from Poroshkovaya Metallurgiya, No. 8(236), pp. 73–76, August, 1982.
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Smolin, M.D., Grebenkina, V.G., Goryachev, Y.M. et al. Electrophysical properties of nickel boride phases. Powder Metall Met Ceram 21, 662–665 (1982). https://doi.org/10.1007/BF00795525
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DOI: https://doi.org/10.1007/BF00795525