Fig. 1

AFM images of a (111) MCT surface generated as a result of the ion bombardment with B⁺ and Ag⁺ ions. a Typical virgin surface. b B⁺ (θ = 0°, 100 keV, 3 × 10¹³ cm⁻²). c Ag⁺ (θ = 0°, 100 keV, 3 × 10¹³ cm⁻²). Inset: Fourier transforms of AFM images