Anomalous Pd substitution effects in the thermoelectric oxide NaCo_{2-x}Pd_xO_4
| dc.creator | Kitawaki, R. | |
| dc.creator | Terasaki, I. | |
| dc.date | 2002-10-02 | |
| dc.date.accessioned | 2026-07-07T02:47:33Z | |
| dc.date.available | 2026-07-07T02:47:33Z | |
| dc.description | We prepared a set of polycrystalline samples of the thermoelectric oxide NaCo_{2-x}Pd_xO_4 (x= 0, 0.05, 0.1 and 0.2), and investigated the Pd substitution effects on transport phenomena. The effects are so drastic that only 5-10% Pd ions reduce the resistivity and the Seebeck coefficient to one-third of the values for x=0, and increase the magnitude of the Hall coefficient by three times. A semi-quantitative analysis has revealed that the x=0.2 sample has much smaller effective mass and carrier concentration than the x=0.05 sample. This is difficult to explain within a rigid-band picture, and is qualitatively consistent with a strong-correlation picture applied to the Ce-based heavy fermion systems. | |
| dc.description | 5 pages, 3 figures, RevTeX4 | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0210043 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0210043 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/20052 | |
| dc.subject | Strongly Correlated Electrons | |
| dc.title | Anomalous Pd substitution effects in the thermoelectric oxide NaCo_{2-x}Pd_xO_4 | |
| dc.type | text |