SEMICONDUCTOR HETEROSTRUCTURES TO REDUCE SHORT CHANNEL EFFECTS
    10.
    发明申请
    SEMICONDUCTOR HETEROSTRUCTURES TO REDUCE SHORT CHANNEL EFFECTS 有权
    减少短路通道效应的半导体异质结构

    公开(公告)号:US20090242873A1

    公开(公告)日:2009-10-01

    申请号:US12058101

    申请日:2008-03-28

    IPC分类号: H01L29/12 H01L21/338

    摘要: Semiconductor heterostructures to reduce short channel effects are generally described. In one example, an apparatus includes a semiconductor substrate, one or more buffer layers coupled to the semiconductor substrate, a first barrier layer coupled to the one or more buffer layers, a back gate layer coupled to the first barrier layer wherein the back gate layer includes a group III-V semiconductor material, a group II-VI semiconductor material, or combinations thereof, the back gate layer having a first bandgap, a second barrier layer coupled to the back gate layer wherein the second barrier layer includes a group III-V semiconductor material, a group II-VI semiconductor material, or combinations thereof, the second barrier layer having a second bandgap that is relatively larger than the first bandgap, and a quantum well channel coupled to the second barrier layer, the quantum well channel having a third bandgap that is relatively smaller than the second bandgap.

    摘要翻译: 通常描述用于减少短通道效应的半导体异质结构。 在一个示例中,设备包括半导体衬底,耦合到半导体衬底的一个或多个缓冲层,耦合到一个或多个缓冲层的第一势垒层,耦合到第一阻挡层的背栅层,其中背栅层 包括III-V族半导体材料,II-VI族半导体材料或其组合,所述背栅层具有第一带隙,耦合到所述背栅层的第二阻挡层,其中所述第二阻挡层包括III- V族半导体材料,II-VI族半导体材料或其组合,所述第二阻挡层具有相对大于所述第一带隙的第二带隙,以及耦合到所述第二阻挡层的量子阱沟道,所述量子阱沟道具有 相对小于第二带隙的第三带隙。