Figure 2
(a) Scattering intensity versus vertical momentum transfer Kz of Si(001) (2 × 1) half-order reconstruction rod (3/2 1) measured at room temperature. (b) Scattering intensity versus vertical momentum transfer Kz of the Si(001) c(4 × 2) quarter-order reconstruction rod (5/4 1/2) measured below 150 K. |