Urothermal synthesis of mononuclear lanthanide compounds: slow magnetization relaxation observed in Dy analogue

doi:10.1039/c3ce41762j

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	Urothermal synthesis of mononuclear lanthanide compounds: slow magnetization relaxation observed in Dy analogue
	Liu, Qing-Yan 1; Li, Yi-Lei 1; Xiong, Wei-Lu 1; Wang, Yu-Ling 1; Luo, Feng 3; Liu, Cai-Ming 2; Chen, Li-Li 1
刊名	CRYSTENGCOMM
	2014
卷号	16 期号:4 页码:585-590
ISSN号	1466-8033
DOI	10.1039/c3ce41762j
英文摘要	Two mononuclear compounds Ln(e-urea)(8)(NO3)(3) (Ln = Dy(1) and Tb(2)) have been urothermally synthesized by using the ethyleneurea (e-urea) as an organic ligand and a solvent. The e-urea ligand with a single donor atom is a unique ligand for coordinating to lanthanide ions, which is very different from those commonly observed polytopic ligands with suitable coordination pockets to encapsulate lanthanide(III) ions or chelating organic ligands. The lanthanide center surrounded by eight e-urea ligands is in a square antiprismatic environment with an approximate D-4d local symmetry. Magnetic properties of both compounds have been investigated in detail using direct-current and alternating-current susceptibility measurements. The Dy(1) analogue displays slow magnetic relaxation behavior with an effective energy barrier of the magnetic relaxation of 37.68 K and the pre-exponential factor tau(0) of 1.47 x 10(-9) s in the presence of direct-current field of 2 kOe.
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000328551400012
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/53015]
专题	中国科学院化学研究所
通讯作者	Liu, Qing-Yan
作者单位	1.Jiangxi Normal Univ, Coll Chem & Chem Engn, Nanchang 330022, Jiangxi, Peoples R China 2.Chinese Acad Sci, Ctr Mol Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 3.E China Inst Technol, Coll Biol Chem & Mat Sci, Fuzhou, Jiangxi, Peoples R China
推荐引用方式 GB/T 7714	Liu, Qing-Yan,Li, Yi-Lei,Xiong, Wei-Lu,et al. Urothermal synthesis of mononuclear lanthanide compounds: slow magnetization relaxation observed in Dy analogue[J]. CRYSTENGCOMM,2014,16(4):585-590.
APA	Liu, Qing-Yan.,Li, Yi-Lei.,Xiong, Wei-Lu.,Wang, Yu-Ling.,Luo, Feng.,...&Chen, Li-Li.(2014).Urothermal synthesis of mononuclear lanthanide compounds: slow magnetization relaxation observed in Dy analogue.CRYSTENGCOMM,16(4),585-590.
MLA	Liu, Qing-Yan,et al."Urothermal synthesis of mononuclear lanthanide compounds: slow magnetization relaxation observed in Dy analogue".CRYSTENGCOMM 16.4(2014):585-590.