Transmission electron microscope and transmission electron diffraction observations of alloy clustering in liquid-phase epitaxial (001) GaInAsP layers
Transmission electron microscope and transmission electron diffraction observations of alloy clustering in liquid-phase epitaxial (001) GaInAsP layers
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DOI：
10.1063/1.335333
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发表时间：
1985-05
影响因子：
3.2
通讯作者：
A. Norman;G. Booker
中科院分区：
文献类型：
--
作者：
A. Norman;G. Booker
对生长在（001）InP衬底上的液相外延GaInAsP层进行的透射电子显微镜检查显示出粗花呢结构（约150 nm尺度）和细颗粒结构（约15 nm尺度）。透射电子衍射图案揭示了主斑点与相关的卫星斑点，表明存在的周期性变化的晶格参数沿着[010]方向和波长对应的细颗粒结构。这种特殊的行为取决于合金层的成分。这两种结构都归因于亚稳分解产生的合金团簇。
Transmission electron microscope examinations performed on liquid‐phase epitaxial GaInAsP layers grown on (001) InP substrates showed a coarse tweed structure (∼150‐nm scale) and a fine granular structure (∼15‐nm scale). Transmission electron diffraction patterns revealed main spots with associated satellite spots, indicating the presence of periodic variations in lattice parameter along the [100] and [010] directions and of wavelength corresponding to the fine granular structure. The particular behavior depended on the alloy layer composition. Both structures are attributed to alloy clustering arising from spinodal decomposition.