Gd2Cu(SO4)2(OH)4: a 3d-4f hydroxysulfate with anenhanced cryogenic magnetocaloric effect

被引：28
|
作者：
Tang, Yingying [1 ,2 ]
Guo, Wenbin [1 ]
Zhang, Suyun [1 ]
Yang, Ming [1 ]
Xiang, Hongping [1 ]
He, Zhangzhen [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
DALTON TRANSACTIONS | 2015年 / 44卷 / 39期
基金：
中国国家自然科学基金;
关键词：
ENHANCED MAGNETIC COOLERS; MOLECULAR CLUSTERS; ORGANIC FRAMEWORK; REFRIGERATION; GD; EU; SM; LN;
D O I：
10.1039/c5dt03294f
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A 3d-4f hydroxysulfate, Gd2Cu(SO4)(2)(OH)(4), is synthesized by means of a conventional hydrothermal method. Magnetic measurements confirm that the title compound exhibits a paramagnetic behavior down to 2 K, in which an enhanced magnetocaloric effect with a maximum -Delta S-m (45.52(1) J kg(-1) K-1, 212.8(6) mJ cm(-3) K-1) is observed at similar to 4 K for Delta H = 8 T. The thermal stability using TG analysis and a FT-IR spectrum are also investigated.
引用
收藏
页码：17026 / 17029
页数：4
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