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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
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume100Issue:8Pages:3589-3598
AbstractThe 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.
SubtypeArticle
KeywordCa3co2o6 Ceramic Magnetic Interaction Pb-doping Thermopower
WOS HeadingsScience & Technology ; Technology
Funding OrganizationNational 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
WOS KeywordTEMPERATURE THERMOELECTRIC PROPERTIES ; ONE-DIMENSIONAL CA3CO2O6 ; SINGLE-CRYSTALS ; CA3CO4O9 ; MAGNETORESISTANCE ; PERFORMANCES ; TRANSITIONS ; FIGURE ; MERIT ; POWER
Indexed BySCI
Language英语
Funding OrganizationNational 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 Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000408731300029
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33621
Collection中科院固体物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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