Figure 4.

Optimized geometric parameters. Optimization of the geometric parameters b, c, and d for the 3D superlattice with a = 3QL at T = 250 K and μ = 60 meV. The geometric parameter dependence of ZT values for 3D superlattice with a = 2QL and 1QL has similar trends as given here for the case of a = 3QL.

Fan et al. Nanoscale Research Letters 2012 7:570   doi:10.1186/1556-276X-7-570
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