Thermoelectric power of Ba(Fe1-xRux)2As2 and Ba(Fe1-xCox)2As2: possible changes of Fermi surface with and without changes in electron count

A. Thaler; E. D. Mun; H. Hodovanets; P. C. Canfield; S. L. Bud'ko

arxiv: 1010.5111 · v1 · pith:AHYSI24Fnew · submitted 2010-10-25 · ❄️ cond-mat.supr-con · cond-mat.str-el

Thermoelectric power of Ba(Fe1-xRux)2As2 and Ba(Fe1-xCox)2As2: possible changes of Fermi surface with and without changes in electron count

H. Hodovanets , E. D. Mun , A. Thaler , S. L. Bud'ko , P. C. Canfield This is my paper

classification ❄️ cond-mat.supr-con cond-mat.str-el

keywords changesdatafe1-xcoxfe1-xruxpowerru-dopingthermoelectricanalysis

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Temperature-dependent, in-plane, thermoelectric power (TEP) data are presented for Ba(Fe1-xRux)2As2 (0 < x < 0.36) single crystals. The previously outlined x - T phase diagram for this system is confirmed. The analysis of TEP evolution with Ru-doping suggests significant changes in the electronic structure, correlations and/or scattering occurring near ~7% and ~30% of Ru-doping levels. These results are compared with an extended set of TEP data for the electron-doped Ba(Fe1-xCox)2As2 series.

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Thermoelectric power of Ba(Fe1-xRux)2As2 and Ba(Fe1-xCox)2As2: possible changes of Fermi surface with and without changes in electron count

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