Seebeck coefficient of Ln (x) Ca1-x MnO3 perovskites in paramagnetic state

doi:10.1007/s00339-010-6081-6

IMR OpenIR

	Seebeck coefficient of Ln (x) Ca1-x MnO3 perovskites in paramagnetic state
	Wang, Yang 1,2; Sui, Yu 2,3; Wang, Xianjie 2; Su, Wenhui 2,3
通讯作者	Wang, Yang(wang_yang@ntu.edu.sg)
	2011-07-01
发表期刊	APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
ISSN	0947-8396
卷号	104 期号:1 页码:135-142
摘要	The Seebeck coefficient is a function of carrier concentration and configurational entropy. In this report, we semi-theoretically investigate the Seebeck coefficient of Ln (x) Ca1-x MnO3 (Ln=Rare-earth) perovskites based on the electronic structure of the 3d orbitals of Mn ions, using the developed Heikes model, Boltzmann transport model, and diffusion model. The results show that the Seebeck coefficient of such a strongly correlated electron system in paramagnetic state is remarkably affected by site degeneracy. As temperature decreases, the evolution of the spin and orbital degrees of freedom together with the change in phonon scattering mode describes the Seebeck coefficient behavior satisfactorily. The phonon drag effect at low temperature is also discussed.
资助者	National Natural Science Foundation of China
DOI	10.1007/s00339-010-6081-6
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[50672019] ; National Natural Science Foundation of China[10804024]
WOS研究方向	Materials Science ; Physics
WOS类目	Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号	WOS:000291652600020
出版者	SPRINGER
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/106492
专题	中国科学院金属研究所
通讯作者	Wang, Yang
作者单位	1.Nanyang Technol Univ, Div Phys & Appl Phys, Sch Phys & Math Sci, Singapore 637371, Singapore 2.Harbin Inst Technol, Ctr Condensed Matter Sci & Technol CCMST, Dept Phys, Harbin 150001, Peoples R China 3.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
推荐引用方式 GB/T 7714	Wang, Yang,Sui, Yu,Wang, Xianjie,et al. Seebeck coefficient of Ln (x) Ca1-x MnO3 perovskites in paramagnetic state[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,2011,104(1):135-142.
APA	Wang, Yang,Sui, Yu,Wang, Xianjie,&Su, Wenhui.(2011).Seebeck coefficient of Ln (x) Ca1-x MnO3 perovskites in paramagnetic state.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,104(1),135-142.
MLA	Wang, Yang,et al."Seebeck coefficient of Ln (x) Ca1-x MnO3 perovskites in paramagnetic state".APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 104.1(2011):135-142.