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Strongly Correlated Properties and Enhanced Thermoelectric Response in Ca3CO4-xMxO9 (M = Fe, Mn, and Cu)
Wang, Yang1,2; Sui, Yu2,3; Ren, Peng1; Wang, Lan1; Wang, Xianjie2; Su, Wenhui2; Fan, Hongjin1
Corresponding AuthorWang, Yang(wang_yang@ntu.edu.sg)
2010-02-09
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume22Issue:3Pages:1155-1163
AbstractWe report the strongly correlated, electrical transport, magnetic, and thermoelectric properties of a series of Fe, Mn, and Cu doped Ca3Co4O9. The results indicate that Fe/Mn substitutes for Co in CoO2 layers whereas CU substitutes for Co in Ca2CoO3 layers. Because of the different doping sites, the electronic correlations increase remarkably in Fe and Mn doped series while remaining unchanged in Cu doped series. Correspondingly, the transport mechanism, magnetic properties, and some characteristic parameters along with transition temperatures all exhibit two distinct evolutions for Fe/Mn doping and Cu doping. The thermoelectric characteristics are improved in each series. Nevertheless, the improvement of thermoelectric performance is most significant in Fe doped samples due to the unexpected changes in thermopower and resistivity. The unusual thermopower behavior can be well described by the variations of electronic correlation. Possible approaches for further improvement of the thermoelectric performance in Ca3Co4O9 and other relevant strongly correlated systems are also proposed at the end.
Funding OrganizationNanyang Technological University ; National Natural Science Foundation of China
DOI10.1021/cm902483a
Indexed BySCI
Language英语
Funding ProjectNanyang Technological University ; National Natural Science Foundation of China[50672019] ; National Natural Science Foundation of China[10804024]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000274089600067
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:120[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/103072
Collection中国科学院金属研究所
Corresponding AuthorWang, Yang
Affiliation1.Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore
2.Harbin Inst Technol, Dept Phys, CCMST, Harbin 150001, Peoples R China
3.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yang,Sui, Yu,Ren, Peng,et al. Strongly Correlated Properties and Enhanced Thermoelectric Response in Ca3CO4-xMxO9 (M = Fe, Mn, and Cu)[J]. CHEMISTRY OF MATERIALS,2010,22(3):1155-1163.
APA Wang, Yang.,Sui, Yu.,Ren, Peng.,Wang, Lan.,Wang, Xianjie.,...&Fan, Hongjin.(2010).Strongly Correlated Properties and Enhanced Thermoelectric Response in Ca3CO4-xMxO9 (M = Fe, Mn, and Cu).CHEMISTRY OF MATERIALS,22(3),1155-1163.
MLA Wang, Yang,et al."Strongly Correlated Properties and Enhanced Thermoelectric Response in Ca3CO4-xMxO9 (M = Fe, Mn, and Cu)".CHEMISTRY OF MATERIALS 22.3(2010):1155-1163.
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