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Chetan Suryawanshi posted an Question
January 19, 2021 • 19:09 pm 30 points
  • IIT JAM
  • Physics (PH)

Is zinc blende structure is interpretation of 2fcc lattice

is zinc blende structure is interpretation of 2fcc lattice

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  • Rohit kumar gupta best-answer

    No, zincblende is best thought of as a face-centered cubic array of anions cations occupying one half of the tetrahedral holes. Each ion is 4-coordinate and has local tetrahedral geometry. Unlike wurtzite, zincblende is its own antitype -- you can switch the anion and cation positions in the cell and it doesn't matter (as in NaCl). In fact, replacement of both the Zn and S with C gives the diamond structure!

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