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Figure 1 Make orthogonal cell window. The left table
shows the atoms position of the ZnTe unit cell, the right table will
show the atoms position of the new orthogonal cell after selecting a [uvw] zone axis direction.
Zone axis [121] is selected with the specimen settings
(Fig. 2a).

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Figure 2a Zone axis [121]. |
Figure 2b Orthogonal cell [121]. |
After the setting of the [uvw] indices of the Oz (or c) the right table is filled with
with the atoms of the new cell. The new cell has (abc) parallel to [1, -1, 1], [1, 0, -1], [1, 2, 1] respectively
and a volume of 6 original unit cells (48 atoms).

Figure 3 Orthogonal cell.
Note
It happens very often that the new unit cell is only nearly
orthogonal and very large. In such cases, some atoms of the new cell may
not be generated due to rounding errors and/or memory limitation.
The orthogonal [172] ZnTe cell contains 3400 atoms and has of volume 425 larger than the original ZnTe unit cell
(Fig. 4, 5). It is nearly orthogonal
(α, β, γ) = (90.0, 89.69855, 90.0) and have large unit cell
parameters (a, b, c) = (16.010456, 1.3841261, 4.5487027). It can be used to simulate HRTEM images with
the multislice method, though the Bloch-wave method will be much more convenient and faster
for ZnTe [uvw]=[172].

Figure 4 Atoms of orthogonal cell [172].

Figure 5 Orthogonal cell [172].
The Montage map (Fig. 6), calculated with the Bloch-wave method, displays the projected potential,
the intensity of the wave-functions and HRTEM images at 3 different defocuses (0.1 nm defocus step). The dots of cursor marks the
projected position of atoms.

Figure 6 HRTEM montage map, ZnTe [172], 300kV.