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

页码：14509 / 14515

页数：7

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