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Magnetic memory devices including oxide multiferroic material
Magnetic memory devices including oxide multiferroic material
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机译:包括氧化物多铁材料的磁存储器件
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摘要
A magnetic memory device is provided. The magnetic memory device includes a plurality of variable resistance devices connected to a word line, and a plurality of bit lines, each of which provides an electrical pathway between a corresponding one of the variable resistance devices and a read and write circuit. Each of the variable resistance devices includes a free layer and a pinned layer spaced apart from each other and having a tunnel barrier interposed therebetween, an assistant layer spaced apart from the tunnel barrier and having the free layer interposed therebetween, and an exchange coupling layer arranged between the free layer and the assistant layer. The exchange coupling layer has an electric polarization, which results from its ferroelectric property, and having a direction that can be changed by a voltage applied to the corresponding one of the bit lines.
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