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

页码：6169 / 6174

页数：6

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