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    • 32. 发明公开
    • HALF-METALLIC ANTIFERROMAGNETIC MATERIAL
    • 抗血栓形成药物
    • EP2267734A1
    • 2010-12-29
    • EP09721940.6
    • 2009-03-18
    • Osaka University
    • AKAI, HisazumiOGURA, MasakoNGUYEN, Long Hoang
    • H01F1/40H01L29/82
    • H01F1/408H01F1/0009
    • A half-metallic antiferromagnetic material that is chemically stable and has a stable magnetic structure is provided.
      A half-metallic antiferromagnetic material according to the present invention is a compound that has a crystal structure of a nickel arsenic type, a zinc blende type, a wurtzite type, a chalcopyrite type or a rock salt type and is constituted of two or more magnetic elements and a chalocogen or a pnictogen. The two or more magnetic elements contain a magnetic element having fewer than 5 effective d electrons and a magnetic element having more than 5 effective d electrons, and a total number of effective d electrons of the two or more magnetic elements is 10 or a value close to 10.
    • 提供化学稳定且具有稳定磁性结构的半金属反铁磁性材料。 根据本发明的半金属反铁磁材料是具有镍砷型,闪锌矿型,纤锌矿型,黄铜矿型或岩盐型的晶体结构的化合物,并且由两种或更多种磁性 元素和致汗细胞或pnictogen。 两个或多个磁性元件包含具有少于5个有效d电子的磁性元件和具有多于5个有效d电子的磁性元件,并且两个或更多个磁性元件的有效d电子的总数为10或接近 到10。
    • 33. 发明公开
    • SPIN-VALVE ELEMENT DRIVING METHOD, AND SPIN-VALVE ELEMENT
    • 自旋阀元件驱动方法和自旋阀元件
    • EP2234269A1
    • 2010-09-29
    • EP08863154.4
    • 2008-08-28
    • FUJI ELECTRIC HOLDINGS CO., LTD.;
    • KAWAKAMI, HaruoOGIMOTO, Yasushi
    • H03B15/00H01L43/08H01L29/82
    • H01L43/08B82Y25/00H01F10/325H01F10/3254H01F10/3286H01F10/329H03B15/006
    • In a spin valve element driving method and a spin valve element, employing such a method, for causing microwave oscillation in a spin valve element, which is driven while applying thereto a weak external magnetic field or without using a magnetic field at all, an electromagnetic signal is obtained from a spin valve element, in which the coercivities in each of the layers of a pair of ferromagnetic layers being different from each other. A fixed layer, which is the ferromagnetic layer having a high coercivity among the pair of ferromagnetic layers, is magnetized in a direction substantially perpendicular to the film plane of the fixed layer, and a current is passed from one of the pair of ferromagnetic layers to the other through an intermediate layer. Upon driving, the set of values comprising the value of the magnitude of an external magnetic field and the value of the current passed in the spin valve element satisfy a prescribed condition. Or, the physical properties of the free layer, which is the ferromagnetic layer having a lower coercivity among the pair of ferromagnetic layers, can be realized under such a condition.
    • 在采用这种方法的自旋阀元件驱动方法和自旋阀元件中,为了在向其施加弱外部磁场或根本不使用磁场的情况下驱动的自旋阀元件中引起微波振荡, 信号从自旋阀元件获得,其中一对铁磁层的每层中的矫顽力彼此不同。 在一对铁磁层中,作为具有高矫顽力的铁磁层的固定层在与固定层的膜平面大致垂直的方向上被磁化,并且电流从一对铁磁层中的一个传递到 另一个通过中间层。 在驱动时,包括外部磁场的大小的值和在自旋阀元件中流过的电流的值的一组值满足规定的条件。 或者,可以在这样的条件下实现作为一对铁磁层中的具有较低矫顽力的铁磁层的自由层的物理性质。