NLDFTNon-Local Density Functional Theory
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The NLDFT pore size distribution and the cumulative pore volume diagram are represented in Figures 1(d) and 1(e), respectively.
Caption: Figure 1: (a) Nitrogen adsorption isotherms obtained at 77 K; (b) carbon dioxide adsorption isotherms obtained at 273 K; (c) mechanical properties from three-point bending tests, represented as stress a versus strain [epsilon](d) NLDFT pore size distribution obtained from the [N.sub.2] adsorption data; and (e) cumulative pore size distribution.
Nonlocal density functional theory (NLDFT) based on C[O.sub.2] adsorption/desorption isotherms was used to determine PSD and [V.sub.submicro] for pores up to 0.8 nm diameter.