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The thermal-transport properties of the Ca3-xAgxCo4O9 system (0 <= x <= 0.3)
Wang, Yang1; Sui, Yu2; Cheng, Jinguang1; Wang, Xianjie1; Su, Wenhui1,2
Corresponding AuthorSui, Yu(suiyu@hit.edu.cn)
2007-09-05
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
Volume19Issue:35Pages:10
AbstractPolycrystalline Ca3-xAgxCo4O9 (0 <= x <= 0.3) samples were prepared by solid-state reaction and their thermo-transport properties were studied from 5 K to room temperature. With the substitution of Ag+ for Ca2+, the internal chemical pressure induced by Ag+ doping has a strong effect on the transport properties of such a strongly correlated Fermi liquid system. The electrical conductivity and the thermoelectric power increase simultaneously because of the enhancement of carrier concentration and the change of carrier mobility. The thermal conductivity decreases monotonically up to x = 0.3 due to the Ag ion acting as a rattler in the system. These results showed that the thermoelectric performance of the Ca3Co4O9 system can be improved by doping with Ag.
DOI10.1088/0953-8984/19/35/356216
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000253116800012
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/91396
Collection中国科学院金属研究所
Corresponding AuthorSui, Yu
Affiliation1.Harbin Inst Technol, Ctr Condensada Matter Sci & Technol, Dept Phys, Harbin 150001, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yang,Sui, Yu,Cheng, Jinguang,et al. The thermal-transport properties of the Ca3-xAgxCo4O9 system (0 <= x <= 0.3)[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2007,19(35):10.
APA Wang, Yang,Sui, Yu,Cheng, Jinguang,Wang, Xianjie,&Su, Wenhui.(2007).The thermal-transport properties of the Ca3-xAgxCo4O9 system (0 <= x <= 0.3).JOURNAL OF PHYSICS-CONDENSED MATTER,19(35),10.
MLA Wang, Yang,et al."The thermal-transport properties of the Ca3-xAgxCo4O9 system (0 <= x <= 0.3)".JOURNAL OF PHYSICS-CONDENSED MATTER 19.35(2007):10.
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