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首页> 外文期刊>Advanced Functional Materials >In Situ Reversible Ionic Control for Nonvolatile Magnetic Phases in a Donor/Acceptor Metal-Organic Framework
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In Situ Reversible Ionic Control for Nonvolatile Magnetic Phases in a Donor/Acceptor Metal-Organic Framework

机译：供体/受体金属有机骨架中非挥发性磁性相的原位可逆离子控制

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摘要

Reversible magnetic control by electrical means, which is highly desired from the viewpoint of fundamentals and technological applications such as data storage devices, has been a challenging topic. In this study, the authors demonstrate in situ magnetic phase switching between the ferrimagnetic and paramagnetic states of an electron-donor/-acceptor metal-organic framework (D/A-MOF) using band-filling control mediated by the Li+-ion migration that accompanies redox reactions, i. e., "magneto-ionic control". By taking advantage of the rechargeability of lithium-ion battery systems, in which Li+-ions and electrons are simultaneously inserted into/extracted from a cathode material, the reversible control of nonvolatile magnetic phases in a D/A-MOF has been achieved. This result demonstrates that the combination of a redoxactive MOF with porous flexibility and ion-migration capability enables the creation of new pathways toward magneto-electric coupling devices in the field of ionics.
机译：从诸如数据存储设备的基本原理和技术应用的观点来看，通过电气手段进行可逆的磁控制已经成为一个具有挑战性的话题。在这项研究中，作者展示了使用由Li +离子迁移介导的能带填充控制，在电子供体/受体金属有机骨架（D / A-MOF）的亚铁磁状态和顺磁状态之间进行原位磁性相转换。伴随氧化还原反应，i。例如“磁离子控制”。通过利用锂离子电池系统的可充电性，在该系统中，Li +离子和电子同时插入到阴极材料中/从阴极材料中提取出来，从而实现了D / A-MOF中非易失性磁性相的可逆控制。该结果表明，氧化还原性MOF与多孔弹性和离子迁移能力的结合，为离子领域中的磁电耦合装置创造了新的途径。

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  • 来源
    《Advanced Functional Materials》 |2017年第5期|1604990.1-1604990.10|共10页
  • 作者

    Taniguchi Kouji; Narushima Keisuke; Sagayama Hajime; Kosaka Wataru; Shito Nanami; Miyasaka Hitoshi;

  • 作者单位

    Tohoku Univ, IMR, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan|Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan|Kyoto Univ, ESICB, Nishikyo Ku, Kyoto 6158510, Japan;

    Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan;

    High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan;

    Tohoku Univ, IMR, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan|Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan;

    Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan;

    Tohoku Univ, IMR, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan|Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, 6-3 Aramaki Aza Aoba, Sendai, Miyagi 9808578, Japan;

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