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Table 1 Visibility (+)/extinction (−) of dislocation contrast and g·b of dislocations 1–7 in Fig. 3 for different g

From: Analysis of crystal defects by scanning transmission electron microscopy (STEM) in a modern scanning electron microscope

Two-beam condition 1 2 3 4 5 6 7
(000–2)
|g·b|
+
2
+
2
+
2
+
2
+
2
+
2

0
(1–210)
|g·b|

0
+
2
+
2
+
2
+
2
+
2
+
1
(1–100)
|g·b|

0
+
1
+
1
+
1
+
1
+
1

0
Burgers vector [0001] \(1/3\left[ {1\overline{2} 13} \right]\)
\(1/3\left[ {1\overline{2} 1\overline{3} } \right]\)
\(1/3\left[ {1\overline{2} 13} \right]\)
\(1/3\left[ {1\overline{2} 1\overline{3} } \right]\)
\(1/3\left[ {1\overline{2} 13} \right]\)
\(1/3\left[ {1\overline{2} 1\overline{3} } \right]\)
\(1/3\left[ {1\overline{2} 13} \right]\)
\(1/3\left[ {1\overline{2} 1\overline{3} } \right]\)
\(1/3\left[ {1\overline{2} 13} \right]\)
\(1/3\left[ {1\overline{2} 1\overline{3} } \right]\)
\(1/3\left[ {11\overline{2} 0} \right]\)
Dislocation type Screw Mixed Mixed Mixed Mixed Mixed Edge