Spontaneous Magnetization in Heterometallic NiFe-MOF-74 Microporous Magnets by Controlled Iron Doping
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Spontaneous Magnetization in Heterometallic NiFe-MOF-74 Microporous Magnets by Controlled Iron Doping

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Spontaneous Magnetization in Heterometallic NiFe-MOF-74 Microporous Magnets by Controlled Iron Doping

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Rubio-Giménez, Víctor; Waerenborgh, João C.; Clemente Juan, Juan Modesto; Martí Gastaldo, Carlos
This document is a artículoDate2017

Este documento está disponible también en : http://hdl.handle.net/10550/68466
We report the direct synthesis of mixed-metal NiFe-MOF-74 solids that display combination of porosity with ferrimagnetic ordering. Compared to the undoped Ni phase, controlled doping with Fe enables to modify intra and interchain magnetic interactions for the onset of spontaneous magnetization at temperatures fixed by the doping level. Synthesis of porous magnets remains somewhat elusive due to the difficulties in isolating foreseeable metal-organic architectures that combine small bridging linkers, for strong magnetic coupling, with polyaromatic connectors responsible for porosity. In turn, we demonstrate that metal doping is better fitted to modify the magnetism of Metal-Organic Frameworks already available simply by suitable choice of their nature and relative ratio in isostructural solid solutions.

    Rubio-Giménez, Víctor Waerenborgh, João C. Clemente Juan, Juan Modesto Martí Gastaldo, Carlos 2017 Spontaneous Magnetization in Heterometallic NiFe-MOF-74 Microporous Magnets by Controlled Iron Doping Chemistry of Materials 29 15 6181 6185
https://doi.org/10.1021/acs.chemmater.7b01601

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