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c crystalline structure of lattice c

c crystalline structure of lattice c

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1. For a simple cubic crystalline structure of lattice constant a = 0.4 nm a. b. C. How many atoms are there per unit volume? (Hint: An easy way to proceed is to calculate the volume of the unit cell and the number of atoms per unit cell. Although there are eight atoms involved in any given unit cell, each atom in the simple cubic structure is part of eight different cells, one corner of each. Thus, there are 8 atoms times 1/8 atom per corner or 1 atom per unit cell.) How many atoms per unit area are there in the (100) plane? The (110) plane? The (111) plane? What if the lattice is FCC instead (still with a = 0.40 nm)? Now how many atoms per unit volume are there?|
Transcribed Image Text:1. For a simple cubic crystalline structure of lattice constant a = 0.4 nm a. b. C. How many atoms are there per unit volume? (Hint: An easy way to proceed is to calculate the volume of the unit cell and the number of atoms per unit cell. Although there are eight atoms involved in any given unit cell, each atom in the simple cubic structure is part of eight different cells, one corner of each. Thus, there are 8 atoms times 1/8 atom per corner or 1 atom per unit cell.) How many atoms per unit area are there in the (100) plane? The (110) plane? The (111) plane? What if the lattice is FCC instead (still with a = 0.40 nm)? Now how many atoms per unit volume are there?|
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