International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

International Tables for Crystallography (2006). Vol. C, ch. 2.6, p. 97

Figure 2.6.1.10 

O. Glattera
[Figure 2.6.1.10]
Figure 2.6.1.10

p(r) function of a lamellar particle. The full line corresponds to an inhomogeneous particle, ρt(x) is a three-step function with the values +1, −1, +1. The broken line represents the homogeneous lamella with [\rho = +\textstyle{1 \over 3}].