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Transport and Spectral Properties of Taylor-phase T-Al₇₃Mn₂₇ Complex Intermetallic

Ivo Batistić orcid.org/0000-0003-2292-3407 ; Department of Physics, Faculty of Science, University of Zagreb, Bijenička c. 32, HR-10000 Zagreb, Croatia
Denis Stanić ; Department of Physics, Josip Juraj Strossmayer University of Osijek, Trg Ljudevita Gaja 6, HR-31000 Osijek, Croatia; Laboratory for the Physics of Transport Phenomena, Institute of Physics, Bijenička c. 46, P.O. Box 304, HR-10001 Zagreb, Croatia
Eduard Tutiš ; Laboratory for the Physics of Transport Phenomena, Institute of Physics, Bijenička c. 46, P.O. Box 304, HR-10001 Zagreb, Croatia

Sažetak

We report the experimental results for the electrical conductivity and the thermoelectric power of the complex intermetallic polygrain compound T-Al₇₃Mn₂₇. The electrical conductivity shows the non-metallic behavior, but with finite value in the T = 0 limit, and with unusual √T 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.

Ključne riječi

metallic alloys; Taylor phases; electrical conductivity; spectral density

Hrčak ID:

52233

URI

https://hrcak.srce.hr/52233

Datum izdavanja:

30.4.2010.

Posjeta: 1.587 *