Figure 7.

The Raman spectra. As-deposited poly Ge and Ge nano-dots with laser energy of 400 and 1,000 mJ/cm2. The bulk-Ge is for reference [14]. The inset shows the abrupt transition in strain which occurred between 600 to 700 mJ/cm2.

Lee and Chen Nanoscale Research Letters 2012 7:307   doi:10.1186/1556-276X-7-307
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