Figure 2.

The subband energies vary with r2 at a fixed d. Electronic subband energy, E1l and E2lfor l = 0, 1, and 2, as a function of outer radius r2 of hollow nanosphere at a fixed shell thickness d = 10 nm.

Xiao et al. Nanoscale Research Letters 2012 7:578   doi:10.1186/1556-276X-7-578
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