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Struktura SFALERITA ( ZnS ) -kovalentna veza dominira.

Prof. dr. sc. Lidija Ćurković. Struktura SFALERITA ( ZnS ) -kovalentna veza dominira. S. r kationa = r (Zn 2+ ) = 0,06 nm r aniona = r (S 2- ) = 0,184 nm r kationa /r aniona = 0,33 KB = 4. S. Zn. S. S. S 2- : FCC jedinična ćelija Zn 2+ u tetraedarskim prazninama.

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Struktura SFALERITA ( ZnS ) -kovalentna veza dominira.

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  1. Prof. dr. sc. Lidija Ćurković Struktura SFALERITA (ZnS) -kovalentna veza dominira. S rkationa = r(Zn2+) = 0,06 nm raniona = r(S2-) = 0,184 nm rkationa/raniona = 0,33 KB = 4 S Zn S S S2-: FCC jedinična ćelija Zn2+utetraedarskim prazninama elektronegativnost (Zn) = 1,6 elektronegativnost (S) = 2,5 % (ionskog karaktera ZnS) = 1-exp-0,25(XA-XB)2 100 = 18 % XA = elektronegativnost elementa A; XB = elektronegativnost elementa B

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