In the zinc blende structure , zinc ions occupy alternate tetrahedral voids and S2- ions exists as ccp. The radii of Zn 2+ and S2- ions are 0.83 A° and 1.74 A° respectively. Then the edge length of the Zn unit cell is :-
(a) 2.57 A° (b) 5.14 A° (c) 2,96 A° (d) 4.86 A°
In the zinc blende structure , zinc ions occupy alternate tetrahedral voids and S2- ions exists as ccp. The radii of Zn 2+ and S2- ions are 0.83 A° and 1.74 A° respectively. Then the edge length of the Zn unit cell is :-
(a) 2.57 A° (b) 5.14 A° (c) 2,96 A° (d) 4.86 A°