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Evolution of the electronic density of Ni d-states in Ti-Ni alloys with a change in the concentration of the components

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Abstract

The evolution of the electronic density of Ni d-states in Ti-Ni alloys with a change in the concentration of the components has been studied by photoelectron spectroscopy. It has been shown that the Ni d-band becomes narrower and shifts to higher energies with a decrease in the atomic concentration of Ni in Ti-Ni alloys. A qualitative explanation of the observed effects within the method of model Hamiltonians of itinerant electrons has been proposed. The mean-field description of the change in the density of states of d-electrons with increasing concentration of the alloy components reproduces the basic tendencies of the evolution of the experimental spectra.

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Authors and Affiliations

  1. St. Petersburg State University, Universitetskaya nab. 7-9, St. Petersburg, 199034, Russia

    B. V. Senkovskiy & V. M. Uzdin

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  1. B. V. Senkovskiy
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  2. V. M. Uzdin
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Correspondence to B. V. Senkovskiy.

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Original Russian Text © B.V. Senkovskiy, V.M. Uzdin, 2013, published in Fizika Tverdogo Tela, 2013, Vol. 55, No. 7, pp. 1268–1271.

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Senkovskiy, B.V., Uzdin, V.M. Evolution of the electronic density of Ni d-states in Ti-Ni alloys with a change in the concentration of the components. Phys. Solid State 55, 1364–1367 (2013). https://doi.org/10.1134/S1063783413070275

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  • DOI: https://doi.org/10.1134/S1063783413070275

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