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Chemistry, 21.06.2019 16:10 maryam615

Znse is a semiconductor with the zinc blende structure such that the zinc ions at the corners of the cubic lattice touch the selenium ions located at tetrahedral sites (1/4,1/4,1/4). the unit cell has 4 zn ions and 4 se ions effectively inside the cube. calculate the density of znse given the following data: the ionic radius of zn=0.083 nm and se =0.191 nm; the atomic weight of zn=65.38 amu and the atomic weight of se=78.96

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