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Synthesis, Crystal Structure, and Physical Properties of Layered LnCrSe(2)O (Ln = Ce Nd)
Zhang, Xian; Xiao, Yi; Wang, Ruiqi; He, Jianqiao; Wang, Dong; Bu, Kejun; Mu, Gang; Huang, Fuqiang
2019-07-15
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume58Issue:14Pages:9482
SubtypeArticle
AbstractThe layered oxyselenides with the formula LnCrSe2O (Ln = Ce Nd) were synthesized via molten salt methods. The isostructural compounds crystallize in the monoclinic space group of C2/m. The crystal structures feature 200[CrSe20]3 motifs stacked along the a axis, which are separated by Ln3 ions. The 2,0[CrSe20]3- layers are composed of [CrlSe6]9and [Cr2Se402]9- octahedra via corner and edge sharing. Powder X-ray diffraction results confirm the phase purities of the as-synthesized compounds. LnCrSe2O (Ln = Ce Nd) show typical antiferromagnetic ordering with TN = 125, 120, and 118 K, respectively. Heat capacity measurement for NdCrSe2O indicates that the Debye temperature is 278.4 K. Similar metal-to semiconductor phase transitions were observed for LnCrSe2O (Ln = Ce Nd) plates with transition temperatures of 115, 109, and 95 K, respectively. NdCrSe2O also possesses a magnetoresistance effect at low temperature (<25 K) with a significant positive magneto resistance,--, 16% at 2 K and 1 T.
DOI10.1021/acs.inorgchem.9b01364
Language英语
WOS Research AreaChemistry
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26973
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Xian,Xiao, Yi,Wang, Ruiqi,et al. Synthesis, Crystal Structure, and Physical Properties of Layered LnCrSe(2)O (Ln = Ce Nd)[J]. INORGANIC CHEMISTRY,2019,58(14):9482.
APA Zhang, Xian.,Xiao, Yi.,Wang, Ruiqi.,He, Jianqiao.,Wang, Dong.,...&Huang, Fuqiang.(2019).Synthesis, Crystal Structure, and Physical Properties of Layered LnCrSe(2)O (Ln = Ce Nd).INORGANIC CHEMISTRY,58(14),9482.
MLA Zhang, Xian,et al."Synthesis, Crystal Structure, and Physical Properties of Layered LnCrSe(2)O (Ln = Ce Nd)".INORGANIC CHEMISTRY 58.14(2019):9482.
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