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    • 5. 发明授权
    • Surface-spintronics device
    • 表面自旋电子器件
    • US07432573B2
    • 2008-10-07
    • US10561616
    • 2004-06-23
    • Hideaki KasaiHiroshi NakanishiTomoya Kishi
    • Hideaki KasaiHiroshi NakanishiTomoya Kishi
    • H01L29/82
    • H01L43/08B82Y25/00G11C11/16H01F10/007
    • A surface-spintronic device operating on a novel principles of operations may be implemented as a spin conducting, a spin switching or a spin memory device. It includes a magnetic atom thin film (13) layered on a surface of a solid crystal (12) and a drain and a source electrodes (14)and (15) disposed at two locations on the magnetic atom thin film, respectively, whereby a spin splitting surface electronic state band formed in a system comprising said solid crystal(12) surface and said magnetic atom thin film (13) is utilized to obtain a spin polarized current flow. With electrons spin-polarized in a particular direction injected from the source electrode (15), controlling the direction of magnetization of the magnetic atom thin film (13) allows switching on and off the conduction of such injected electrons therethrough. Also, with the use of the magnetization holding function of the magnetic atom thin film (13), it is possible to realize a spin memory device that can operate to write information on controlling the direction of magnetization of the magnetic atom thin film (13) and that can operate to read information on detecting the electrodes (15, 14).
    • 以新颖的操作原理操作的表面自旋电子器件可以被实现为自旋导通,自旋切换或自旋存储器件。 它包括分别在固体晶体(12)的表面上分层的磁性原子薄膜(13)和设置在磁性原子薄膜上的两个位置处的漏极和源极(14)和(15),由此 利用在包括所述固体晶体(12)表面和所述磁性原子薄膜(13)的系统中形成的旋转分裂表面电子状态带来获得自旋极化电流。 利用从源电极(15)注入的特定方向自旋极化的电子,控制磁性原子薄膜(13)的磁化方向允许这种注入的电子的导通和导通。 此外,通过使用磁性原子薄膜(13)的磁化保持功能,可以实现能够操作以写入关于控制磁性原子薄膜(13)的磁化方向的信息的自旋存储装置, 并且可以操作以读取关于检测电极(15,14)的信息。
    • 9. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM AND RECORDING FILM FOR OPTICAL INFORMATION RECORDING MEDIUM
    • 用于光信息记录介质的光信息记录介质和记录膜
    • US20090059764A1
    • 2009-03-05
    • US12168474
    • 2008-07-07
    • Hideo FUJIIHironori KakiuchiNorihiro JikoTomoya Kishi
    • Hideo FUJIIHironori KakiuchiNorihiro JikoTomoya Kishi
    • G11B7/00
    • G11B7/2433
    • Disclosed herein is an optical information recording medium and a recording film for the optical information recording medium, which are capable of readout of short recording marks at a higher C/N ratio than the conventional BD (as in the case of the Super-RENS disk) by means of the same readout power as for the conventional BD, which is lower than that for the Super-RENS disk (or the conventional BD). To be specific, the readout power is 0.3 mW, the short recording marks have a length of 149 nm, and the C/N ratio is no less than 45 dB.The recording film is capable of information recording and reading out to and from recording marks upon irradiation with a laser beam having a wavelength of 380-450 nm, the recording marks including short recording marks having a recording length no longer than 149 nm, and has a refractive index of 1.8-2.5 and an extinction coefficient of 2.3-2.9 both for a laser beam having a wavelength of 380-450 nm. The optical information recording medium is provided with the recording film.
    • 本文公开了一种用于光学信息记录介质的光学信息记录介质和记录膜,其能够以比常规BD更高的C / N比读出短记录标记(如在Super-RENS盘的情况下 )通过与传统BD相同的读出功率,低于Super-RENS盘(或传统BD)的读出功率。 具体而言,读出功率为0.3mW,短记录标记的长度为149nm,C / N比不小于45dB。 记录膜能够在用波长380-450nm的激光束照射时记录和读出记录标记,记录标记包括记录长度不超过149nm的短记录标记,并具有 对于具有380-450nm波长的激光束,折射率为1.8-2.5,消光系数为2.3-2.9。 光信息记录介质设置有记录膜。