Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)2(NO3)]n (HNA = nicotinic acid)

被引：25
作者：
Liu, Shuang [1 ]
Li, Lei-Lei [2 ,3 ]
Li, Han [2 ,3 ]
Gao, Hong-Ling [1 ]
Cui, Jian-Zhong [1 ]
Cheng, Peng [2 ,3 ]
机构：
[1] Tianjin Univ, Dept Chem, Tianjin 300072, Peoples R China
[2] Nankai Univ, Dept Chem, MOE, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China
[3] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300071, Peoples R China
来源：
DALTON TRANSACTIONS | 2015年 / 44卷 / 13期
关键词：
SINGLE-MOLECULE MAGNETS; 1D DYSPROSIUM CHAIN; ORGANIC FRAMEWORKS; ION MAGNETS; COMPLEXES; LUMINESCENT; BEHAVIOR; TRANSITION; CLUSTERS; SERIES;
D O I：
10.1039/c5dt00205b
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A helix chain Dy3+ compound, [Dy(HNA)(NA)(2)(NO3)](n) (1, HNA = nicotinic acid), was synthesized under solvothermal conditions and fully characterized. The absolute configurations of the enantiomers in P6(1) and P6(5) space groups are characterized by single crystal X-ray diffraction and circular dichroism (CD). Magnetic studies reveal that compound 1 exhibits ferromagnetic interaction and slow magnetic relaxation at low temperatures with the energy barrier of 37 K under 900 Oe dc field.
引用
收藏
页码：6169 / 6174
页数：6
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