Voltage-Control of Magnetism in All-Solid-State and Solid/Liquid Magnetoelectric Composites
Voltage-Control of Magnetism in All-Solid-State and Solid/Liquid Magnetoelectric Composites
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DOI：
10.1002/adma.201806662
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发表时间：
2019-06-01
影响因子：
29.4
通讯作者：
Kruk, Robert
中科院分区：
文献类型：
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作者：
Molinari, Alan;Hahn, Horst;Kruk, Robert
通过低功率电场而不是耗散电流来控制磁性有可能彻底改变传统的数据存储和处理、传感和驱动方法。一种有前途的策略依赖于利用磁电复合材料来微调两种功能材料界面处电和磁自由度之间的相互作用。尽管早期的工作主要集中在固体/固体界面的磁电耦合；然而，最近人们对液体浇口技术所提供的机会越来越感兴趣。在这里，在主要耦合介体（即应变、载流子掺杂和离子嵌入）的背景下，对全固态和固/液复合材料中磁性的电压控制进行了比较概述。此外，还对使用耦合系数α C=Delta M Delta E的通用定义来比较不同磁电系统中电和磁之间相互作用的强度的适用性进行了详尽和批判性的讨论。
The control of magnetism by means of low-power electric fields, rather than dissipative flowing currents, has the potential to revolutionize conventional methods of data storage and processing, sensing, and actuation. A promising strategy relies on the utilization of magnetoelectric composites to finely tune the interplay between electric and magnetic degrees of freedom at the interface of two functional materials. Albeit early works predominantly focused on the magnetoelectric coupling at solid/solid interfaces; however, recently there has been an increased interest related to the opportunities offered by liquid-gating techniques. Here, a comparative overview on voltage control of magnetism in all-solid-state and solid/liquid composites is presented within the context of the principal coupling mediators, i.e., strain, charge carrier doping, and ionic intercalation. Further, an exhaustive and critical discussion is carried out, concerning the suitability of using the common definition of coupling coefficient alpha C=Delta M Delta E to compare the strength of the interaction between electricity and magnetism among different magnetoelectric systems.