MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Cobalt Oxides and Kondo Semiconductors: A Pseudogap System as a Thermoelectric Material
Ichiro Terasaki
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2001 Volume 42 Issue 6 Pages 951-955

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Abstract

Layered cobalt oxides and heavy-fermion compounds are quantitatively compared from the viewpoint of thermoelectric materials. These two systems exhibit anomalously large thermopowers with good electric conductivity, which is attributed to a strong electron-electron correlation. In certain materials the pseudogap increases at low temperature, which further enhances the thermopower.

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© 2001 The Japan Institute of Metals and Materials
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