MAGNETIC RECORDING DEVICE

PROBLEM TO BE SOLVED: To provide a magnetic recording device whose reliability is enhanced by assisting magnetic flux reversal which is determined by a product of an electric field and magnetic field and decreasing the critical value of the product of the electric field and magnetic field.SOLUTION: The magnetic recording device includes a substrate; a first recording medium layer which is formed on the substrate and mainly contains an antiferromagnetic material and a ferrimagnetic material all having electromagnetic effect, or a combination thereof; a second recording medium layer which is formed on the first recording medium layer, to which magnetic information recorded on the first recording layer is transferred and generates magnetization intensity sufficient for reading, and which mainly contains a ferromagnetic material; an electric field application device for applying an electric field to the recording medium; and a magnetic field application device for applying a magnetic field to the recording medium. In the magnetic recording device, a radio wave of a microwave region is applied to the recording medium in addition to the application of the electric field and the magnetic field.SELECTED DRAWING: Figure 1 【課題】電界磁界積で決まる磁化反転作用をアシストし、電界磁界積の臨界値を低くすることによって、信頼性が向上した磁気記録デバイスを提供すること。【解決手段】基板、基板上に設けられ、かつ、電気磁気効果を有する、反強磁性体、フェリ磁性体、又はこれらの組み合わせを主として含む第一の記録媒体層、及び、第一の記録媒体層上に設けられ、かつ、第一の記録媒体層に記録された磁気情報が転写され、読み取りに必要な強さの磁化を発生する、強磁性体を主として含む第二の記録媒体層を含む記録媒体と、記録媒体に対して電界を印加する電界印加装置と、記録媒体に対して磁界を印加する磁界印加装置と、を備え、記録媒体に対して、電界及び磁界の印加と共にマイクロ波領域の電磁波が印加される、磁気記録デバイス。【選択図】図１