{Gd44Ni22}: a gigantic 3d-4f wheel-like nanoscale cluster with a large magnetocaloric effect

被引：19

作者：

Lu, Zixiu ^{[1
,2
]}

Zhuo, Zhu ^{[3
,4
]}

Wang, Wei ^{[3
,4
]}

Huang, You-Gui ^{[3
,4
,5
]}

Hong, Maochun ^{[1
,2
,3
,4
]}

机构：

[1] Chinese Acad Sci, Ganjiang Innovat Acad, Ganzhou 341000, Peoples R China

[2] Univ Sci & Technol China, Sch Rare Earth, Ganzhou, Peoples R China

[3] Chinese Acad Sci, Fujian Inst Res Struct Matter, CAS Key Lab Design & Assembly Funct Nanostruct, Fujian Prov Key Lab Nanomat, Xiamen, Fujian, Peoples R China

[4] Xiamen Inst Rare Earth Mat, Haixi Inst, Chinese Acad Sci, Xiamen Key Lab Rare Earth Photoelect Funct Mat, Xiamen 361021, Fujian, Peoples R China

[5] Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350108, Peoples R China

来源：

INORGANIC CHEMISTRY FRONTIERS | 2023年 / 10卷 / 03期

关键词：

METAL-IONS; TRANSITION; MOLECULES; SYMMETRY; GIANT; CAGE; DY; LN;

D O I：

10.1039/d2qi02294j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Multinuclear 3d-4f nano-clusters, consisting of a large number of metal ions, are interesting both structurally and functionally. The Gd(iii) containing clusters, in particular, attract great research attention because of their significant magnetocaloric effect. Here, we report the synthesis of a gigantic 3d-4f wheel-like cluster, {Gd44Ni22}, achieved through self-assembly using a "mixed-ligand" strategy. Magnetic characterization reveals that the {Gd44Ni22} cluster exhibits a large magnetocaloric effect (MCE), with an isothermal magnetic entropy change of 44.9 J kg(-1) K-1 at 2.0 K for Delta H = 7 T, which is one of the largest among all of the high-nuclearity Ni-Gd clusters.

引用

页码：979 / 983

页数：5

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