Figure 2.

Core-level XPS spectra of Ga and As elements. Pristine samples (a, e) and samples irradiated at the fluences of 1 × 1017 (b, f), 3 × 1017 (c, g), and 7 × 1017 ions/cm2 (d, h) (a, b, c, and d correspond to Ga, whereas e, f, g, and h correspond to As).

Kumar et al. Nanoscale Research Letters 2012 7:552   doi:10.1186/1556-276X-7-552
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