Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)₂(NO₃)]n (HNA = nicotinic acid).
A helix chain Dy(3+) 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 P6₁ and P6₅ 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.
Department of Chemistry, Tianjin University, Tianjin, 300072, China. cuijianzhong@tju.edu.cn.
Shuang
S
Liu
Lei-Lei
LL
Li
Han
H
Li
Hong-Ling
HL
Gao
Jian-Zhong
JZ
Cui
Peng
P
Cheng