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Tuning of conductive type and magnetic properties of Ca3Co2O6 ceramics through Pb-doping
Song, Jiyue1,2; Zhao, Bangchuan1; Huang, Yanan1; Qin, Yanfeng1,2; Song, Wenhai1; Sun, Yuping1,3,4
2017-08-01
发表期刊JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷号100期号:8页码:3589-3598
摘要The effect of Pb doping on structural, electrical, magnetic, and thermal transport properties of Ca3-xPbxCo2O6 (x=0-0.3) ceramics has been investigated systemically. It is found that the substituted Pb-ions have a mixed valence state of +2 and +4, and a small amount of Co3+ ions will transfer into Co2+ due to the substitution of Pb4+ for Ca2+. The resistivity decreases monotonically with increasing Pb content, which is related to the variation in carrier concentration and the enhanced grain connectivity. The signs of both Hall coefficient and thermopower changed from positive to negative by a proper Pb doping, indicating the conductive type of Ca3Co2O6 can be effectively tuned from p to n through the doping. The low-temperature magnetization, the magnetic exchange coupling constant J and Weiss temperature h decrease monotonically with the increase in Pb-doping content, indicating the strength of the ferromagnetic interaction between adjacent high spin Co3+ ions has been weakened due to the reduced magnetic correlation length in these Pb-doped samples.
文章类型Article
关键词Ca3co2o6 Ceramic Magnetic Interaction Pb-doping Thermopower
WOS标题词Science & Technology ; Technology
资助者National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11174293) ; 11174293) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11174293) ; 11174293)
DOI10.1111/jace.14904
关键词[WOS]TEMPERATURE THERMOELECTRIC PROPERTIES ; ONE-DIMENSIONAL CA3CO2O6 ; SINGLE-CRYSTALS ; CA3CO4O9 ; MAGNETORESISTANCE ; PERFORMANCES ; TRANSITIONS ; FIGURE ; MERIT ; POWER
收录类别SCI
语种英语
资助者National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11174293) ; 11174293) ; National Key Basic Research(2011CBA00111) ; National Key Basic Research(2011CBA00111) ; National Nature Science Foundation of China(U1232140 ; National Nature Science Foundation of China(U1232140 ; 11504380 ; 11504380 ; 11174293) ; 11174293)
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
WOS记录号WOS:000408731300029
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33621
专题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, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei, Anhui, Peoples R China
3.Chinese Acad Sci, High Magnet Field Lab, Hefei, Anhui, Peoples R China
4.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing, Jiangsu, Peoples R China
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Song, Jiyue,Zhao, Bangchuan,Huang, Yanan,et al. Tuning of conductive type and magnetic properties of Ca3Co2O6 ceramics through Pb-doping[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2017,100(8):3589-3598.
APA Song, Jiyue,Zhao, Bangchuan,Huang, Yanan,Qin, Yanfeng,Song, Wenhai,&Sun, Yuping.(2017).Tuning of conductive type and magnetic properties of Ca3Co2O6 ceramics through Pb-doping.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,100(8),3589-3598.
MLA Song, Jiyue,et al."Tuning of conductive type and magnetic properties of Ca3Co2O6 ceramics through Pb-doping".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 100.8(2017):3589-3598.
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