Copper is FCC with a cubic edge ( lattice constant ) of 0 . 3 6 nm
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Copper is FCC with a cubic edge lattice constant of nm and each atom contributes one conduction electron. For bulk copper, the measured resistivity is x Omega m The resistivity increases to x Omega m as the copper is patterned to form interconnect lines with crosssectional area line width x thickness of x nm Assume the effective electron mass is equal to free electron mass. Estimate the relaxation or mean collision time of conduction electrons in the fine copper lines due to surface scattering
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