Simplified Method of Producing an Epitaxially Grown Structure
    4.
    发明申请
    Simplified Method of Producing an Epitaxially Grown Structure 失效
    生产外延生长结构的简化方法

    公开(公告)号:US20080272396A1

    公开(公告)日:2008-11-06

    申请号:US12158191

    申请日:2006-12-04

    IPC分类号: H01L21/20 H01L29/02

    摘要: Method to produce a structure consisting of depositing a material by columnar epitaxy on a crystalline face of a substrate (2), of continuing so that the columns (4) give a continuous layer (5). The surface is provided with a period array of bumps (3) on a nanometric scale, each bump (3) having a support zone (35) and being obtained from an array of crystalline defects and/or strain fields created within a crystalline region (16) located in the vicinity of a bonding interface (15) between two crystalline elements (11, 12) whose crystalline lattices have a twist and/or tilt angle and/or have interfacial lattice mismatch, able to condition the period (38) of the array of bumps (3). The period (38) of the array, the height (36) of the bumps and the size of their support zone (35) being adjusted so that the continuous layer (40) has a critical thickness that is greater than that obtained using epitaxy without the bumps.

    摘要翻译: 一种制造结构的方法,该结构包括通过柱状外延在衬底(2)的结晶面上沉积材料,继续使得柱(4)产生连续层(5)。 该表面设有一个具有纳米尺度的凸块(3)的周期阵列,每个凸块(3)具有一个支撑区(35),并由结晶区域内产生的晶体缺陷和/或应变场的阵列获得( 16)位于结晶界面(15)附近,其结晶晶格具有扭转和/或倾斜角和/或具有界面晶格失配的两个晶体元件(11,12)之间,能够调节 凸块阵列(3)。 阵列的周期(38),凸块的高度(36)和它们的支撑区域(35)的尺寸被调整,使得连续层(40)的临界厚度大于没有 颠簸