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Magnetic properties and enhanced thermoelectric performance in Cu-doped Ca3Co2O6 single crystals

文献类型：期刊论文

作者Song, Jiyue1,2; Zhao, Bangchuan1; Huang, Yanan1; Qin, Yanfeng1,2; Song, Wenhai1; Sun, Yuping1,3,4
刊名CURRENT APPLIED PHYSICS
出版日期2017-05-01
卷号17期号:5页码:738-743
关键词Ca3co2-xcuxo6 Single Crystal Magnetization Steps The Figure Of Merit
DOI10.1016/j.cap.2017.02.008
文献子类Article
英文摘要The effect of Cu doping on the structural, magnetic, electrical and thermal transport properties of Ca3Co2-XCuXO6 single crystals has been investigated systematically. Based on the analysis of the structural parameter and x-ray photoelectron spectroscopy spectra, the valence state of Cu is considered to be +2. All samples undergo a long-range spin density wave (SDW) transition at T-N and a glass-like magnetic transition at T-f with decreasing temperature. Both T-N and T-f decrease monotonously with increasing Cu-doping content. A series of magnetization steps can be observed in the M(H) curve of Ca3Co2O6, and the magnetization steps are sensitive to the sample cooling magnetic field and Cu doping content x. With the increase of x, the resistivity along c-axis decreases while the thermopower increases. As a result, the figure of merit (ZT) increases considerably and the room-temperature ZT value of the sample with x = 0.6 is nearly 60 times larger than that of the un-doped crystal. (C) 2017 Elsevier B.V. All rights reserved.
WOS关键词ONE-DIMENSIONAL CA3CO2O6 ; SPIN-GLASS BEHAVIOR ; TRIANGULAR-LATTICE ; COMPOUND ; CA3CO1.62MN0.38O6 ; SUBSTITUTION ; ANISOTROPY ; CA3CO4O9 ; OXIDES ; POWER
WOS研究方向Materials Science ; Physics
语种英语
WOS记录号WOS:000400210800021
资助机构National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11504380 ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293) ; 11174293)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33488]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Peoples R China
4.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Song, Jiyue,Zhao, Bangchuan,Huang, Yanan,et al. Magnetic properties and enhanced thermoelectric performance in Cu-doped Ca3Co2O6 single crystals[J]. CURRENT APPLIED PHYSICS,2017,17(5):738-743.
APA Song, Jiyue,Zhao, Bangchuan,Huang, Yanan,Qin, Yanfeng,Song, Wenhai,&Sun, Yuping.(2017).Magnetic properties and enhanced thermoelectric performance in Cu-doped Ca3Co2O6 single crystals.CURRENT APPLIED PHYSICS,17(5),738-743.
MLA Song, Jiyue,et al."Magnetic properties and enhanced thermoelectric performance in Cu-doped Ca3Co2O6 single crystals".CURRENT APPLIED PHYSICS 17.5(2017):738-743.

入库方式： OAI收割

来源：合肥物质科学研究院

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