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. 2013 Feb 28;3:1357. doi: 10.1038/srep01357

Figure 6. Estimation of the diffusion constant for NbN thin films.

Figure 6

(a) Variation of Fermi velocity, vF, and electronic mean free path, l for NbN thin films with different Tc. (b) Variation of the diffusion constant, D, estimated using the values of vF and l in panel (a). (c) Probing length scale at 0.4 GHz and 20 GHz for samples with different Tc.