Phase formation and magnetotransport of alkali metal doped Na[sub 0.75]CoO[sub 2] thermoelectric oxide
Loading...
Access rights
© 2010 AIP Publishing. This is the accepted version of the following article: Jood, P. & Peleckis, G. & Wang, X. L. & Dou, S. X. & Yamauchi, H. & Karppinen, Maarit. 2010. Phase formation and magnetotransport of alkali metal doped Na[sub 0.75]CoO[sub 2] thermoelectric oxide. Journal of Applied Physics. Volume 107, Issue 9. 09D716/1-3. ISSN 0021-8979 (printed). DOI: 10.1063/1.3365491, which has been published in final form at http://scitation.aip.org/content/aip/journal/jap/107/9/10.1063/1.3365491.
Journal Title
Journal ISSN
Volume Title
School of Chemical Technology |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Unless otherwise stated, all rights belong to the author. You may download, display and print this publication for Your own personal use. Commercial use is prohibited.
Date
2010
Department
Major/Subject
Mcode
Degree programme
Language
en
Pages
09D716/1-3
Series
Journal of Applied Physics, Volume 107, Issue 9
Abstract
Synthesis and characterization of bulk NaxCoO2 samples substituted by K and Rb is reported. Phase formation studies revealed a narrow stable region for Na-alkali metal-Co system. Whisker and platelike single crystalline structures have been found to form on the surface of the pellets in case of K doping. All samples were metallic and no characteristic anomaly in R-T curves was observed for Rb doped sample. Magnetoresistance measured has a pronounced positive response only for K-doped and pure NaxCoO2 phases, reaching 11% and 7% at 5 K temperature, respectively.Description
Keywords
alkali metals, magnetoresistance, doping, sintering, sodium
Other note
Citation
Jood, P. & Peleckis, G. & Wang, X. L. & Dou, S. X. & Yamauchi, H. & Karppinen, Maarit. 2010. Phase formation and magnetotransport of alkali metal doped Na[sub 0.75]CoO[sub 2] thermoelectric oxide. Journal of Applied Physics. Volume 107, Issue 9. 09D716/1-3. ISSN 0021-8979 (printed). DOI: 10.1063/1.3365491.
