Coexistence of magnetic and electric orderings in the metal-formate frameworks of [NH4][M(HCOO)3].

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Abstract

A family of three-dimensional chiral metal-formate frameworks of [NH(4)][M(HCOO)(3)] (M = Mn, Fe, Co, Ni, and Zn) displays paraelectric to ferroelectric phase transitions between 191 and 254 K, triggered by disorder-order transitions of NH(4)(+) cations and their displacement within the framework channels, combined with spin-canted antiferromagnetic ordering within 8-30 K for the magnetic members, providing a new class of metal-organic frameworks showing the coexistence of magnetic and electric orderings.

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Journal

Journal ID (iso-abbrev): J. Am. Chem. Soc.

Title: Journal of the American Chemical Society

ISSN (Electronic): 1520-5126

ISSN (Print): 0002-7863

Publication date (Electronic): Sep 28 2011

Volume: 133

Issue: 38

Affiliations

[1 ] Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, PR China.

Article

DOI: 10.1021/ja206891q

PubMed ID: 21870842

SO-VID: 2d30e8a1-ffa2-4b93-9246-eac36c25ba9c

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