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Synthesis, Crystal Structure, and Electrical Conductivity of Pd-intercalated NbSe2
Huang, C; Zhao, W; Wang, D; Bu, KJ; Wang, SS; Huang, FQ
2020-04-20
Source PublicationJOURNAL OF INORGANIC MATERIALS
ISSN1000-324X
Issue4Pages:506
SubtypeArticle
AbstractNew intercalated compounds PdxNbSe2 (x=0-0.17) were synthesized via solid-state reaction. They possess the parent structure of 2H-NbSe2 and crystalize in the hexagonal space group of P6(3)/mmc. The intercalated Pd occupies the octahedral position in the van der Waals gaps of 2H-NbSe2. Unit cell parameter c increases linearly with the Pd content, while a is nearly unchanged. The lattice parameter of Pd0.7NbSe2 (a=b=0.34611(2) nm, c= 1.27004(11) nm) is identified by single crystal X-ray diffraction. The intercalated Pd stabilizes the crystal structure of NbSe2 by connecting the adjacent Nb-Se layers with [PdSe6] octahedra and leads to the enhanced thermostability in air. Temperature dependence of electric resistivity reveals that the residual resistivity ratio of PdxNbSe2 mono-tonically decreases with addition of the intercalated Pd content. The decreased superconducting critical temperature of PdxNbSe2, indicates the suppression effect of Pd intercalation on the superconductivity in the host NbSe2.
DOI10.15541/jim20190125
WOS KeywordFACILE SYNTHESIS ; CU
Language英语
WOS Research AreaMaterials Science
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28129
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Huang, C,Zhao, W,Wang, D,et al. Synthesis, Crystal Structure, and Electrical Conductivity of Pd-intercalated NbSe2[J]. JOURNAL OF INORGANIC MATERIALS,2020(4):506.
APA Huang, C,Zhao, W,Wang, D,Bu, KJ,Wang, SS,&Huang, FQ.(2020).Synthesis, Crystal Structure, and Electrical Conductivity of Pd-intercalated NbSe2.JOURNAL OF INORGANIC MATERIALS(4),506.
MLA Huang, C,et al."Synthesis, Crystal Structure, and Electrical Conductivity of Pd-intercalated NbSe2".JOURNAL OF INORGANIC MATERIALS .4(2020):506.
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