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    • 8. 发明申请
    • PROGRAMMABLE METALLIZATION CELL AND METHOD OF MAKING
    • 可编程金属化细胞及其制备方法
    • WO9748032A8
    • 2000-08-10
    • PCT/US9709367
    • 1997-05-28
    • AXON TECHNOLOGIES CORPUNIV ARIZONA STATE
    • KOZICKI MICHAEL NWEST WILLIAM C
    • G02F1/19G02F1/15G02F1/155G06F12/00G11C13/00G11C13/02H01B1/06H01B1/10H01L21/82H01L21/822H01L27/04H01L27/10H01L27/105H01L45/00
    • G11C13/0011G02F1/1525G02F1/155G11C13/0069G11C2013/009G11C2213/51H01L45/085H01L45/1206H01L45/1213H01L45/1226H01L45/1233H01L45/142
    • A programmable metallization cell (10) ("PMC") comprises a fast ion conductor such as a chalcogenide-metal ion and a plurality of electrodes (13 and 14) (e.g., an anode and a cathode) disposed at the surface of the fast ion conductor (12) and spaced a set distance apart from each other. Preferably, the fast ion conductor comprises a chalcogenide with Group IB or Group IIB metals, the anode comprises silver, and the cathode comprises aluminum or other conductor. When a voltage is applied to the anode and the cathode, a non-volatile metal dendrite grows from the cathode along the surface of the fast ion conductor towards the anode. The growth rate of the dendrite is a function of the applied voltage and time. The growth of the dendrite may be stopped by removing the voltage and the dendrite may be retracted by reversing the voltage polarity at the anode and cathode. Changes in the length of the dendrite affect the resistance and capacitance of the PMC. The PMC may be incorporated into a variety of technologies such as memory devices, programmable resistor/capacitor devices, optical devices, sensors, and the like. Electrodes additional to the cathode and anode can be provided to serve as outputs or additional outputs of the devices in sensing electrical characteristics which are dependent upon the extent of the dendrite.
    • 可编程金属化电池(10)(“PMC”)包括快速离子导体,例如硫族化物金属离子和多个电极(13和14)(例如,阳极和阴极),其设置在快速 离子导体(12)并且彼此隔开一定距离。 优选地,快速离子导体包含具有IB族或IIB族金属的硫族化物,阳极包括银,阴极包括铝或其它导体。 当向阳极和阴极施加电压时,非挥发性金属枝晶从阴极沿快离子导体的表面向阳极生长。 枝晶的生长速率是施加的电压和时间的函数。 可以通过去除电压来停止枝晶的生长,并且可以通过反转阳极和阴极的电压极性来缩回枝晶。 枝晶长度的变化影响了PMC的电阻和电容。 PMC可以并入各种技术,例如存储器件,可编程电阻器/电容器器件,光学器件,传感器等。 可以提供除了阴极和阳极之外的电极以用作感测电特性的器件的输出或附加输出,这取决于枝晶的程度。