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Enhanced electron correlation in rare-earth doped Ca3Co4O9
Wang, Yang1,2; Xu, Luxiang3,4; Sui, Yu1,5; Wang, Xianjie1; Cheng, Jinguang1; Su, Wenhui1
Corresponding AuthorWang, Yang(wang_yang@ntu.edu.sg)
2010-08-09
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume97Issue:6Pages:3
AbstractThermoelectric and thermodynamic properties of a series of Ca-site rare-earth R3+ doped Ca3Co4O9 were investigated. For a fixed doping level, with the reduction in R3+ radius, thermopower is found to gradually increase despite the carrier concentration remains unchanged. The scaling behavior between thermopower and electron specific heat coefficient reveals that the additional increase in thermopower originates from enhanced electron correlation which may be attributed to doping-induced chemical pressure. (C) 2010 American Institute of Physics. [doi:10.1063/1.3479923]
Keywordcalcium compounds carrier density doping profiles electron correlations rare earth metals specific heat thermoelectric power
DOI10.1063/1.3479923
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000280940900044
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/102766
Collection中国科学院金属研究所
Corresponding AuthorWang, Yang
Affiliation1.Harbin Inst Technol, CCMST, Dept Phys, Harbin 150001, Peoples R China
2.Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore
3.Sichuan Normal Univ, Inst Solid State Phys, Lab Low Dimens Struct Phys, Chengdu 610068, Peoples R China
4.Sichuan Normal Univ, Sch Phys & Elect Engn, Chengdu 610068, Peoples R China
5.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yang,Xu, Luxiang,Sui, Yu,et al. Enhanced electron correlation in rare-earth doped Ca3Co4O9[J]. APPLIED PHYSICS LETTERS,2010,97(6):3.
APA Wang, Yang,Xu, Luxiang,Sui, Yu,Wang, Xianjie,Cheng, Jinguang,&Su, Wenhui.(2010).Enhanced electron correlation in rare-earth doped Ca3Co4O9.APPLIED PHYSICS LETTERS,97(6),3.
MLA Wang, Yang,et al."Enhanced electron correlation in rare-earth doped Ca3Co4O9".APPLIED PHYSICS LETTERS 97.6(2010):3.
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