6. In a regular FCC, determine number of atoms per unit area in (1 1 0) plane
6. In a regular FCC, determine number of atoms per unit area in (1 1 0) plane
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Transcribed Image Text:6. In a regular FCC, determine number of atoms per unit area in (1 1 0) plane
7. In a BCC unit cell, determine number of atoms per unit area in (1 1 1) plane
8. Assuming that each Au atom donates one conduction electron, calculate the drift mobility
and drift velocity of the conduction electrons in gold at 20° C if the applied electric field
is 200 V/cm. What is the mean free path of the conduction electrons if their mean speed
is 1.4 x 10°m s ? Resistivity of pure gold at 0°C (273 K) is po= 22.8 n2 m. a, for Au
from Table 2.1 is 1/251 K'. Given that Au is FCC with lattice parameter of 0.407nm.
9. Na is a monovalent metal (BCC) with a lattice parameter of 0.43nm. The drift mobility of
clectrons in Na is 53 cm V's'. Calculate the electrical conductivity of Na and the mean
scattering time of conduction electrons.
10. Determ ine Miller Indices for the following:
A
1/2
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