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Transport and spectral properties of Taylor-phase T-Al73Mn27 complex intermetallic

We report the experimental results for the electrical conductivity and the thermoelectric power of the complex intermetallic compound T-Al73Mn27. The electrical conductivity shows the non-metallic behavior, but with finite value in the T=0 limit, and with unusual term appearing at the low temperature. This indicates the existence of an electronic pseudo-gap in the system, whereas more detailed theoretical analysis reveals a non-analytic behavior of the spectral conductivity function in the vicinity of the Fermi energy.

complex metallic alloys; Taylor phases; electrical conductivity; spectral density

S.I. posvećen profesoru Boranu Leontiću.