The effect of replacing pnictogen elements on the physical properties SrMg2 X 2 ( X = N , P, As, Sb, Bi) Zintl compounds
Murtaza G1, †, Ahad Khan Abdul2, Yaseen M3, Laref A4, Ullah Naeem5, ur Rahman Inayat1
       

(color online) Difference charge density iso-surface display of (a) SrMg2N2, (b) SrMg2P2, (c) SrMg2As2, (d) SrMg2Sb2, and (e) SrMg2Bi2 unit cells. Red and blue colors indicate the charge abundance and deficiency, respectively, as shown in the color strip.