Vacancy-driven magnetocaloric effect in Prussian blue analogues

被引：27

作者：

Evangelisti, Marco ^{[1
]}

Manuel, Esperanca

Affronte, Marco

Okubo, Masashi

Train, Cyrille

Verdaguer, Michel

机构：

[1] INFM CNR, Natl Res Ctr NanoStruct & BioSyst Surfaces, I-41100 Modena, Italy

[2] Univ Modena, Dipartimento Fis, I-41100 Modena, Italy

[3] Univ Reggio Emilia, Dipartimento Fis, I-41100 Modena, Italy

[4] Univ Paris 06, CNRS, U7071, F-75252 Paris, France

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 316卷 / 02期

基金：

日本学术振兴会;

关键词：

magnetocaloric effect; Prussian blue analog; long-range ferromagnetic order;

D O I：

10.1016/j.jmmm.2007.03.038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We experimentally show that the magnetocaloric properties of molecule-based Prussian blue analogues can be adjusted by controlling during the synthesis the amount of intrinsic vacancies. For CsxNi4II[Cr-III(CN)(6)]((8+x)/3), we find indeed that the ferromagnetic phase transition induces significantly large magnetic entropy changes, whose maxima shift from similar to 68 to similar to 95K by varying the number of [Cr-III(CN)(6)](3-) vacancies, offering a unique tunability of the magnetocaloric effect in this complex. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：E569 / E571

页数：3

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