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Issue 100, 2012
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A large cryogenic magnetocaloric effect exhibited at low field by a 3D ferromagnetically coupled Mn(II)–Gd(III) framework material

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Abstract

The large cryogenic magnetocaloric effect of a 3D oxydiacetate-bridged gadolinium–manganese MOF material, [Mn(H2O)6][MnGd(oda)3]2·6H2O (1), was evaluated by magnetization and heat capacity measurements. A maximum −ΔSm of 50.1 J kg−1 K−1 for ΔH = 70 kG along with significant entropy change at lower field was found on account of the weak Mn⋯Gd ferromagnetic interactions and the small molecular mass. This suggests that 1 could be considered as a potential coolant for liquid helium temperature applications.

Graphical abstract: A large cryogenic magnetocaloric effect exhibited at low field by a 3D ferromagnetically coupled Mn(ii)–Gd(iii) framework material

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Publication details

The article was received on 15 Oct 2012, accepted on 02 Nov 2012 and first published on 05 Nov 2012


Article type: Communication
DOI: 10.1039/C2CC37510A
Citation: Chem. Commun., 2012,48, 12219-12221

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    A large cryogenic magnetocaloric effect exhibited at low field by a 3D ferromagnetically coupled Mn(II)–Gd(III) framework material

    F. Guo, Y. Chen, J. Liu, J. Leng, Z. Meng, P. Vrábel, M. Orendáč and M. Tong, Chem. Commun., 2012, 48, 12219
    DOI: 10.1039/C2CC37510A

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