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Modeling the spectral conductivity of Al-Mn-Si quasicrystalline approximants: A phenomenological approach

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Maciá Barber, Enrique Alfonso and Takeuchi, Tsunehiro and Otagiri, Toshio (2005) Modeling the spectral conductivity of Al-Mn-Si quasicrystalline approximants: A phenomenological approach. Physical review B, 72 (17). ISSN 1098-0121

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Official URL: http://dx.doi.org/10.1103/PhysRevB.72.174208


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Abstract

The electronic structure of a quasicrystalline approximant sample is analyzed by means of a combined study of different experimental transport curves within a phenomenological approach. The main features of the obtained spectral conductivity are discussed and compared to those corresponding to icosahedral quasicrystals. Such a comparison provides interesting clues about the role of quasiperiodic order and of local atomic arrangements in the origin of unusual behaviors in the electrical conductivity and thermopower observed in complex metallic alloys.


Item Type:Article
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©2005 The American Physical Society.
This work has been partially supported by the Ministerio de Educación y Ciencia through Project No. FIS2004-00067, the Consejería de Educación de la CAM and European Union FEDER through Project No. GR/MAT/0768/2004. One of the authors (T. T.) was financially supported by a MEXT Grant-in-Aid for Young Scientists No. (A) 17686054. E. M. acknowledges M. V. Hernández for a critical reading of the manuscript.

Uncontrolled Keywords:Electronic transport-properties; Cu-Fe phases; Thermoelectric properties; Icosahedral phases; Ru; Dependence; Features; Systems; Alloys; NMR
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:44704
Deposited On:19 Sep 2017 18:30
Last Modified:19 Sep 2017 18:30

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