Effect of coordination environment on the magnetic relaxation of mononuclear Dyill field-induced single molecule magnets

被引：8
|
作者：
Peng, Guo [1 ]
Zhang, Ying-Ying [1 ]
Li, Zhao-Yang [2 ]
机构：
[1] Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, Nanjing 210094, Jiangsu, Peoples R China
[2] Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2017年 / 77卷
基金：
中国国家自然科学基金;
关键词：
Single molecule magnet; Two-step relaxation; Pentagonal bipyramid; Triethylene glycol; CROWN-ETHER COMPLEXES; TRIETHYLENE GLYCOL COMPLEXES; DINUCLEAR COMPLEXES; ANISOTROPY BARRIER; LIGAND-FIELD; ION MAGNETS; BEHAVIOR; ENHANCEMENT; DYNAMICS;
D O I：
10.1016/j.inoche.2017.01.031
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two mononuclear Dy-III complexes [Dy(H(2)TEG)(NO3)(3)].[18-crown-6] (H(2)TEG = triethylene glycol) (1) and IDY(H(2)TEG)CL3].[18-crown-6] (2) have been prepared using H(2)TEG as ligands. Magnetic studies revealed that both complexes show field-induced double magnetic relaxation behavior with energy barriers of 28 K and 54 K. Distinct magnetic dynamic properties observed in 1 and 2 are mostly attributed to the dissimilar coordination environments around Dy-III centers in these two complexes. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：40 / 43
页数：4
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