Simple and Efficient Rout for Synthesis of Spinel Nanopigments

Figure 4

Diffuse reflectance spectra for the calcined powders of Co_xMg_1−xAl₂O₄  {x = 0(a), 0.1(b), 0.2(c), 0.4(d), 0.6(e), 0.8(f), and 1(g)}.