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71. The sets of planes with the next five smaller interplanar spacings (after
a
0
) are shown
in the diagram that follows.
(a) In terms of
a
0
, the second largest interplanar spacing is
00
2
0.7071
aa
=
.
(b) The third largest interplanar spacing is
5
0.4472
=
.
(c)
The fourth largest interplanar spacing is
10
0.3162
=
.
(d) The fifth largest interplanar spacing is
13
0.2774
=
.
(e) The sixth largest interplanar spacing is
17
0.2425
=
.
(f) Since a crystal plane passes through lattice points, its slope can be written as the ratio
of two integers. Consider a set of planes with slope
m
/
n
, as shown in the diagram that
follows. The first and last planes shown pass through adjacent lattice points along a
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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