Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China.
Department of Physics and Institute of Theoretical Physics and Astrophysics, Xiamen University, Xiamen, 361005, P. R. China.
Adv Mater. 2017 Nov;29(43). doi: 10.1002/adma.201702512. Epub 2017 Oct 6.
A giant room-temperature magnetodielectric (MD) response upon the application of a small magnetic field is of fundamental importance for the practical application of a new generation of devices. Here, the giant room-temperature magnetodielectric response is demonstrated in the metal-organic framework (MOF) of [NH (CH ) ] [Fe Fe Ni (HCOO) ] (x ≈ 0.63-0.69) (1) with its MD coefficient remaining between -20% and -24% in the 300-410 K temperature range, even at 0.1 T. Because a room-temperature magnetodielectric response has never been observed in MOFs, the present work not only provides a new type of magnetodielectric material but also takes a solid step toward the practical application of MOFs in a new generation of devices.
在小磁场作用下产生巨大的室温磁电（MD）响应，对于新一代器件的实际应用具有重要意义。在此，在金属-有机骨架（MOF）[NH（CH ）] [Fe Fe Ni（HCOO）]（x ≈ 0.63-0.69）（1）中观察到了巨大的室温磁电响应，其磁电系数在 300-410 K 的温度范围内保持在-20%至-24%之间，即使在 0.1 T 下也是如此。由于在 MOFs 中从未观察到室温磁电响应，因此本工作不仅提供了一种新型的磁电材料，而且朝着 MOFs 在新一代器件中的实际应用迈出了坚实的一步。
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