Square Rectangular Нехадonal a2 a2 a2 Pr a, a, la,le lal la,l= lagl Y= 90° Y= 90° Y= 60° Figure 2.16 Two-dimensional Bravais lattices. which remains valid in the two-dimensional case. Find the reciprocal lattice for the three cases given in Figure 2.16.

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Square
Rectangular
Нехадonal
a2
a2
a2
a,
a,
la,l= lagl
Y= 90°
Y = 90°
Y= 60°
Figure 2.16 Two-dimensional Bravais lattices.
which remains valid in the two-dimensional case. Find the reciprocal lattice for the
three cases given in Figure 2.16.
Transcribed Image Text:Square Rectangular Нехадonal a2 a2 a2 a, a, la,l= lagl Y= 90° Y = 90° Y= 60° Figure 2.16 Two-dimensional Bravais lattices. which remains valid in the two-dimensional case. Find the reciprocal lattice for the three cases given in Figure 2.16.
7. The reciprocal lattice. For a two-dimensional Bravais lattice
R = ma, + naz.
(2.28)
the reciprocal lattice is also two dimensional:
G = m'b, +n'b2.
(2.29)
Often the most practical way to construct the reciprocal lattice is the relation
aj - b; = 2ndj,
(2.30)
Transcribed Image Text:7. The reciprocal lattice. For a two-dimensional Bravais lattice R = ma, + naz. (2.28) the reciprocal lattice is also two dimensional: G = m'b, +n'b2. (2.29) Often the most practical way to construct the reciprocal lattice is the relation aj - b; = 2ndj, (2.30)
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