]>Misfit Strain in Superlattices Controlling the Electron-Lattice Interaction via Microstrain in Active Layers : Figure 5
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Figure 5: The microstrain ε (proportional to the Fe–Fe distance) and the misfit strain 𝜂 = 2 𝜀 are plotted as a function of the doping for the “122” family and for the “1111” family of high-temperature superconducting FeAs compounds. The highlighted area is the region where the maximum 𝑇 𝑐 occurs.