GeSbTe MATERIAL INCLUDING SUPERFLOW LAYER(S), AND USE OF Ge TO PREVENT INTERACTION OF Te FROM SbXTeY AND GeXTeY RESULTING IN HIGH Te CONTENT AND FILM CRYSTALLINITY
    24.
    发明申请
    GeSbTe MATERIAL INCLUDING SUPERFLOW LAYER(S), AND USE OF Ge TO PREVENT INTERACTION OF Te FROM SbXTeY AND GeXTeY RESULTING IN HIGH Te CONTENT AND FILM CRYSTALLINITY 审中-公开
    GeSbTe材料包括超流层,以及Ge的使用,以防止从SbXTeY和GeXTeY相互作用的高含量和薄膜晶体结构

    公开(公告)号:US20110180905A1

    公开(公告)日:2011-07-28

    申请号:US12997551

    申请日:2009-06-08

    IPC分类号: H01L29/26 H01L21/365

    摘要: A multilayer film stack containing germanium, antimony and tellurium that can be annealed to form a GST product material of homogeneous and smooth character, wherein at least one antimony-containing layer is isolated from a tellurium-containing layer by an intervening germanium layer, and the multilayer film stack comprises at least two intervening germanium layers. The multilayer film stack can be formed by vapor deposition techniques such as chemical vapor deposition or atomic layer deposition. The annealable multilayer film stack can be formed in high aspect ratio vias to form phase change memory devices of superior character with respect to the stoichiometric and morphological characteristics of the GST product material.

    摘要翻译: 一种含有锗,锑和碲的多层膜堆,其可被退火以形成均匀和平滑特征的GST产​​品材料,其中至少一个含锑层通过中间锗层与含碲层分离,并且 多层膜堆叠包括至少两个中间的锗层。 可以通过诸如化学气相沉积或原子层沉积的气相沉积技术形成多层膜堆叠。 可退火的多层膜堆叠可以形成在高纵横比通孔中,以形成相对于GST产品材料的化学计量和形态特征的优异特征的相变存储器件。