(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
Figure 4: Surface morphologies of single crystal Ag (100), Ag (110), and Ag (111) with different specular reflectance (a)–(c) ≈ 90%; (d)–(f) ≈ 70%; (g)–(i) ≈ 50%; (j)–(l) ≈ 30%.