Magnetocaloric effect and slow magnetic relaxation in two only azido bridged ferromagnetic tetranuclear metal clusters

被引：43
|
作者：
Zhao, Jiong-Peng [1 ,2 ,3 ,4 ]
Zhao, Ran [3 ,4 ]
Yang, Qian [3 ,4 ]
Hu, Bo-Wen [3 ,4 ]
Liu, Fu-Chen [1 ,2 ]
Bu, Xian-He [3 ,4 ]
机构：
[1] Tianjin Univ Technol, Sch Chem & Chem Engn, Tianjin 300384, Peoples R China
[2] Tianjin Univ Technol, Tianjin Key Lab Organ Solar Cells & Photochem Con, Tianjin 300384, Peoples R China
[3] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
[4] Nankai Univ, Tianjin Key Lab Met & Mol Based Mat Chem, Tianjin 300071, Peoples R China
来源：
DALTON TRANSACTIONS | 2013年 / 42卷 / 40期
关键词：
TRANSITION; COMPLEXES; CO; CHAINS; MN;
D O I：
10.1039/c3dt51655e
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two M-II tetranuclear complexes bridged only by azido, Mn-4(N-3)(7.3)Cl0.7L4 (1) and Co-4(N-3)(8)L-4 (2) in which the four M-II ions are precisely coplanar bridged only by six azido anions, were obtained by using 4,5-diazafluoren-9-one (L) as a corner ligand. Magnetic studies indicate that ferromagnetic coupling was conducted by the azido anions between M-II ions. At low temperature, 1 exhibits a large magnetocaloric effect and 2 shows field-induced multiple magnetic relaxations.
引用
收藏
页码：14509 / 14515
页数：7
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