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Title: The Transport Properties of Quasi–One-Dimensional Ba3Co2O6(CO3)0.7
We have performed combined elastic neutron diffuse, electrical transport, specific heat, and thermal conductivity measurements on the quasi–one-dimensional Ba 3 Co 2 O 6 (CO 3 ) 0.7 single crystal to characterize its transport properties. A modulated superstructure of polyatomic CO 3 2− is formed, which not only interferes the electronic properties of this compound, but also reduces the thermal conductivity along the c-axis. Furthermore, a large magnetic entropy is observed to be contributed to the heat conduction. Our investigations reveal the influence of both structural and magnetic effects on its transport properties and suggest a theoretical improvement on the thermoelectric materials by building up superlattice with conducting ionic group.
Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;
Award ID(s):
2003117
Publication Date:
NSF-PAR ID:
10322740
Journal Name:
Frontiers in Physics
Volume:
9
ISSN:
2296-424X
Sponsoring Org:
National Science Foundation
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