Figure 4.

The radical component of the stress field vs. the ration of the Ge shell radius. The radial component of the stress field in Ge shell near the Ge/Si interface vs. the ratio of the Ge shell radius to the Si core radius (b/a). Insert shows a schematic diagram of the system.

Tang et al. Nanoscale Research Letters 2012 7:346   doi:10.1186/1556-276X-7-346
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