期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 139, 期 37, 页码 12883-12886出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b04911
关键词
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资金
- National Natural Science Foundation of China [11474059, 11674064, 51672171]
- National Key Research and Development Program of China [2016YFA0300700]
- DFG
- National Key Basic Research Program of China [2015CB921600]
Hybrid organic-inorganic compounds attract a lot of interest for their flexible structures and multifunctional properties. For example, they can have coexisting magnetism and ferroelectricity whose possible coupling gives rise to magnetoelectricity. Here using first-principles computations, we show that, in a perovskite metal-organic framework (MOF), the magnetic and electric orders are further coupled to optical excitations, leading to an Electric tuning of the Magneto-Optical Kerr effect (EMOKE). Moreover, the Kerr angle can be switched by reversal of both ferroelectric and magnetic polarization only. The interplay between the Kerr angle and the organic-inorganic components of MOFs offers surprising unprecedented tools for engineering MOKE in complex compounds. Note that this work may be relevant to acentric magnetic systems in general, e.g., multiferroics.
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