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Specimen

The specimen orientation, [uvw] zone axis indices and (hkl) indices of Center of Laue Circle, [uvw] indices of foil normale, deviation (number of reflections), Laue Zone number, Cut plane (hkl) are set in the Specimen window (Fig. 1).

Its toolbar offers tool buttons to:

  • clipboard Transfer the whole window to the clipboard.

  • keeper Show parameters Keeper.

  • help Display this help file.

Figure1

Figure 1 Stereogram ZnTe [001].

The 6 tabs of the specimen settings allow to set:

The precise specimen orientation is defined using the [uvw] zone axis indices (Fig. 2) and the (hkl) CLC indices (Fig. 3).

The choice of selectable [u,v,w] directions can be increased (decreased) using the , or when the mouse is on the [uvw] stereogram and Alt-Ctrl-Shift + up-arrow (Alt-Ctrl-Shift + down-arrow) are pressed (this depends on the operating system). Any series of 3 integers separated by , (with or without the square brackets) followed pressing the enter key will define a new zone axis (in case it is on the stereogram).

The CLC can be set by dragging the green cross or clicking on a spot. The arrow keys , , , also shift the CLC. The recentCenter sets the CLC to (000). The search sets the [uvw] zone axis to the zone axis which closest to the crystal orientation and resets the CLC indices (000) (Fig. 3). The slider adjusts the Kikuchi threshold in order to plot more or less Kikuchi lines (Fig. 3).

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Figure2 Figure3

Figure 2 [uvw] zone axis indices.

Figure 3 (hkl) CLC indices.

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The arrow key or increases or decreases the number of [uvw] poles (Fig. 5).

Figure4 Figure5

Figure 4 Deviation.

Figure 5 (hkl) foil normale indices.

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The arrow key or increases and decreases the number of Laue zones. The slider changes the camera length (Fig. 6).

The arrow keys or increases or decreases the number of (hkl) planes. The info tool button adds (hkl) indices (Fig. 7).

Figure6 Figure7

Figure 6 Number of Laue zones.

Figure 7 (hkl) indices of cut plane.

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SAED indexing Zone Axis Indexing.