Simple and Efficient Rout for Synthesis of Spinel Nanopigments

Figure 2

Various colors for Co_xMg_1−xAl₂O₄  {x = 1(a), 0.8(b), 0.6(c), 0.4(d), 0.2(e), 0.1(f), and 0(g)}.

(a)

(b)

(c)

(d)

(e)

(f)

(g)