Transport properties of quasi-one dimensional Ba-based ruthenates

Author

Klein, Y. ; Shibasaki, S. ; Terasaki, I.

Author_Institution

Dept. of Appl. Phys., Waseda Univ., Tokyo

fYear

2007

fDate

3-7 June 2007

Firstpage

161

Lastpage

166

Abstract

The resistivity, thermoelectric power, Hall coefficient and magnetisation of 4H-Ba_0.8Sr_0.2RuO₃ and 9R-BaRu_1-xCr_xO₃ (x=0, 0.05 and 0.1) with a quasi-one dimensional crystallographic structure are reported. From these data we can deduce a typical metallic behaviour of the 4H and 9R mother phases in which chromium acts as a strong scattering centre. The characteristic features of these ruthenates are the presence of two kinds of carriers, holes and electrons, and the opening of a pseudogap in the hole band.

Keywords

Hall effect; barium compounds; electrical resistivity; magnetisation; strontium compounds; thermoelectric power; Ba_0.8Sr_0.2RuO₃; BaRuCrO₃; Hall coefficient; hole band; magnetisation; quasi-one dimensional crystallographic structure; quasi-one dimensional ruthenates; thermoelectric power; transport properties; Bonding; Charge carrier processes; Conductivity; Crystallization; Crystallography; Magnetization; Metal-insulator structures; Temperature; Thermoelectricity; X-ray diffraction;

fLanguage

English

Publisher

ieee

Conference_Titel

Thermoelectrics, 2007. ICT 2007. 26th International Conference on

Conference_Location

Jeju Island

ISSN

1094-2734

Print_ISBN

978-1-4244-2262-3

Electronic_ISBN

1094-2734

Type

conf

DOI

10.1109/ICT.2007.4569448

Filename

4569448