Fig. 1: Growth of nitrogene-like structures on Ag(100).
From: Evidence of a two-dimensional nitrogen crystalline structure on silver surfaces
a Schematic illustration of the growth process. Low-energy nitrogen ions are generated by an ion source and bombarded onto the Ag(100) surface. b Large-scale scanning tunneling microscopy (STM) image (V = −1 V, I = 100 pA). Nitrogen-covered areas are outlined with orange dashed lines. c High-resolution STM image of the nitrogene-like structure on Ag(100) (V = 0.06 V, I = 100 pA). d, Line profiles along the orange dashed line in (b) (top) and the red line in panel c (bottom). e low-energy electron diffraction (LEED) pattern of the nitrogene-like structure on Ag(100), showing a Ag(100)-(√2 × √2)R45° superstructure. Blue and red circles indicate diffraction spots corresponding to Ag(100) and the nitrogene-like structure, respectively.
