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Unformatted text preview: unit . • Since the crystal is made up of an arrangement of identical unit cells, then an identical point on each unit cell represents an identical environment within the crystal • The array of these identical points is termed the crystal lattice • The unit cells shown are cubic o All sides are equal length o All angles are 90° • The unit cell need not be cubic o The unit cell lengths along the x,y, and z coordinate axes are termed the a , b and c unit cell dimensions o The unit cell angles are defined as: α , the angle formed by the b and c cell edges β , the angle formed by the a and c cell edges γ , the angle formed by the a and b cell edges...
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