Magnetism in the (Co1−xFex)2(OH)2(C8H4O4) solid solutions: a combined neutron diffraction and magnetic measurements study

Mesbah, Adel; Sibille, Romain; Mazet, Thomas; Malaman, B.; Lebègue, Sébastien; François, Michel

doi:10.1039/c0jm01802c

Cited by 18 publications

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“…Therefore, only few reports can be found in literature about the establishment and determination of magnetic structures mediated by organic ligands. 10,[20][21][22] In this paper, we explore the magnetic behavior and magnetic structures of a recently discovered metal-malonate family of formulae [Na 2 (µ-H 2 O) 2 M(C 3 H 2 O 4 ) 2 ] n ˗ denoted thereafter Na 2 M(H 2 C 3 O 4 ) 2 ⋅2H 2 O for sake of simplicity˗ where M is a transition metal at the 2+ oxidation state. Na 2 Cu(H 2 C 3 O 4 ) 2 ⋅2H 2 O was first reported in 2005 by Ghoshal et al 23 Besides solving the crystal structure from single crystal X-Ray diffraction, they studied its magnetic behavior, concluding that it exhibits weak ferromagnetic interactions with, however, no long range ordering.…”

Section: Introductionmentioning

confidence: 99%

Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

et al. 2016

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The recently discovered metal-malonate compounds of formulae Na2M(H2C3O4)2·2H2O with M = Mn, Fe, Co, Ni are investigated for their magnetic properties. While the Cu-based material is a weak ferromagnet, all other members present antiferromagnetic interactions. Neutron powder diffraction experiments reveal the establishment of a long range magnetic order at low temperature in the Pbca Shubnikov magnetic group. The magnetic structures are characterized by antiferromagnetic layers perpendicular to [001]. These layers are stacked antiparallel (M = Fe) or parallel (M = Mn, Ni) in the (a, c) plane. Magnetic moments are collinear to b for the former and to c for the latter. The M = Co malonate exhibits a non-collinear magnetic structure intermediate between the two latter, with components along b and c. Density functional theory calculations indicate that the dominant magnetic interaction, J1, occurs along a malonate group via a carboxylate and links two transition metals within the same layer, while other interactions (inter- or intra-layer) are much weaker, so that these compounds present the dominant characteristics of 2D-antiferromagnets.

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Section: Introductionmentioning

confidence: 99%

Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

et al. 2016

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“…The Cu II compound is ferromagnetic below T C = 4.5 K (Abdelouhab et al, 2005) and the Ni II analogue exhibits a very similar behavior (Carton et al, 2007b). Finally, the compounds based on Fe II and Mn II are compensated antiferromagnets with Né el points at 66 K (Mesbah et al, 2010) and 38.5 K (Sibille et al, 2012), respectively. The magnetic structures of the Co II (Feyerherm et al, 2003), Mn II (Sibille et al, 2012) and Fe II (Mesbah et al, 2010) compounds were solved using neutron powder diffraction data.…”

Section: Introductionmentioning

confidence: 95%

“…The macroscopic magnetic properties of hydroxyterephthalates of Co II (Huang et al, 2000), Fe II (Mesbah et al, 2010), Ni II (Carton et al, 2007b) and Cu II (Abdelouhab et al, 2005) have been extensively investigated. The Co II compound (Huang et al, 2000) presents a complex and original magnetic behavior.…”

Section: Introductionmentioning

confidence: 99%

“…Finally, the compounds based on Fe II and Mn II are compensated antiferromagnets with Né el points at 66 K (Mesbah et al, 2010) and 38.5 K (Sibille et al, 2012), respectively. The magnetic structures of the Co II (Feyerherm et al, 2003), Mn II (Sibille et al, 2012) and Fe II (Mesbah et al, 2010) compounds were solved using neutron powder diffraction data. The arrangement of the magnetic moments for these three compounds are identical in terms of couplings but differ in the direction of the magnetic moments, probably due to different single-ion anisotropies.…”

Section: Introductionmentioning

confidence: 99%

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Crystal structure and magnetic properties of the layered hybrid organic–inorganic compounds M ₂(OH)₂(C₁₄H₈O₄) (M = Mn, Fe)

Sibille¹,

Mazet²,

Diop³

et al. 2021

Acta Crystallogr Sect B

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The structure of M 2(OH)2(bpdc) (bpdc = biphenyl dicarboxylate, C14H8O4) is distinct from that of the isoreticular compounds M 2(OH)2(bdc) (bdc = benzene dicarboxylate, C8H4O4) (M = Mn, Fe), in the sense that no disorder of the bpdc molecules from one layer to the other needs to be considered. The global symmetry is lower in the bpdc compounds (P 1) than in the bdc compounds (C2/m). Both Mn2(OH)2(bpdc) and Fe2(OH)2(bpdc) order magnetically at 36.8 and 46.5 K, respectively, and can be considered as uncompensated antiferromagnets, whereas Mn2(OH)2(bdc) (Néel temperature T N = 38.5 K) and Fe2(OH)2(bdc) (T N = 66 K) are compensated antiferromagnets.

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“…x Fe x ) 2 (OH) 2 (C 8 H 4 O 4 ) investigated by Mesbah 66 showed partial cation ordering of the Fe 2+ cation on the M2 site and magnetic structures in which the magnetic moments reorient from along the edge-sharing chains to perpendicular to them between 50 % Fe and 25 % Fe. The difference in ordered magnetic moment on the two sites opens up around the same time, confirming this is related to one being close to the easy axis and one being close to the hard axis of the Co-rich phases.…”

Section: 66mentioning

confidence: 99%

Probing magnetic interactions in metal–organic frameworks and coordination polymers microscopically

Saines

Bristowe

2018

Dalton Trans.

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Materials with magnetic interactions between their metal centres play a tremendous role in modern technologies and can exhibit unique physical phenomena. In recent years, magnetic metal-organic frameworks and coordination polymers have attracted significant attention because their unique structural flexibility enables them to exhibit multifunctional magnetic properties or unique magnetic states not found in the conventional magnetic materials, such as metal oxides. Techniques that enable the magnetic interactions in these materials to be probed at the atomic scale, long established to be key for developing other magnetic materials, are not well established for studying metal-organic frameworks and coordination polymers. This review focuses on studies where metal-organic frameworks and coordination polymers have been examined using such microscopic probes, with a particular focus on neutron scattering and density-functional theory, the most-well established experimental and computational techniques for understanding magnetic materials in detail. This paper builds on a brief introduction to these techniques to describe how such probes have been applied to a variety of magnetic materials starting with select historical examples before discussing multifunctional, low dimensional and frustrated magnets. This review highlights the information that can be obtained from such microscopic studies, including the strengths and limitations of these techniques. The article then concludes with a brief perspective on the future of this area.

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Magnetism in the (Co1−xFex)2(OH)2(C8H4O4) solid solutions: a combined neutron diffraction and magnetic measurements study

Cited by 18 publications

References 10 publications

Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

Crystal structure and magnetic properties of the layered hybrid organic–inorganic compounds M ₂(OH)₂(C₁₄H₈O₄) (M = Mn, Fe)

Probing magnetic interactions in metal–organic frameworks and coordination polymers microscopically

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Magnetism in the (Co1−xFex)2(OH)2(C8H4O4) solid solutions: a combined neutron diffraction and magnetic measurements study

Cited by 18 publications

References 10 publications

Long-range antiferromagnetic order in malonate-based compounds Na2M(H2C3O4)2·2H2O (M = Mn, Fe, Co, Ni)

Long-range antiferromagnetic order in malonate-based compounds Na2M(H2C3O4)2·2H2O (M = Mn, Fe, Co, Ni)

Crystal structure and magnetic properties of the layered hybrid organic–inorganic compounds M 2(OH)2(C14H8O4) (M = Mn, Fe)

Probing magnetic interactions in metal–organic frameworks and coordination polymers microscopically

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Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

Long-range antiferromagnetic order in malonate-based compounds Na₂M(H₂C₃O₄)₂·2H₂O (M = Mn, Fe, Co, Ni)

Crystal structure and magnetic properties of the layered hybrid organic–inorganic compounds M ₂(OH)₂(C₁₄H₈O₄) (M = Mn, Fe)