A Purely Lanthanide-Based Complex Exhibiting Ferromagnetic Coupling and Slow Magnetic Relaxation Behavior

被引：122
作者：
Chen, Zhi [1 ]
Zhao, Bin [1 ]
Cheng, Peng [1 ]
Zhao, Xiao-Qing [1 ]
Shi, Wei [1 ]
Song, You [2 ,3 ]
机构：
[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
[2] Nanjing Univ, Sch Chem & Chem Engn, Nanjing 210093, Peoples R China
[3] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
来源：
INORGANIC CHEMISTRY | 2009年 / 48卷 / 08期
关键词：
SINGLE-MOLECULE-MAGNET; CHAIN MAGNETS; ANISOTROPY; SPIN; DY; BIS(PHTHALOCYANINATO)TERBIUM; TETRANUCLEAR; COMPOUND; CLUSTER; FAMILY;
D O I：
10.1021/ic801507g
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two lanthanide-organic frameworks, {Ln(TDA)(1.5)(H2O)(2)}(n) [TDA = thiophene-2,5-dicarboxylic acid anion; Ln = Gd (1), Dy (2)], were structurally and magnetically characterized. The magnetic studies revealed that the ferromagnetic coupling existed between adjacent lanthanide ions in 1 and 2, and only 2 displays slow magnetic relaxation behavior with tau(0) = 2.4 x 10(-1) s and Delta E/k(B) = 44.2 K. To our knowledge, it is rather rare that ferromagnetic coupling and slow magnetic relaxation coexist in three-dimensional lanthanide-based frameworks.
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收藏
页码：3493 / 3495
页数：3
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