Using APEX2 to Analyze Twinned Crystals - Bruker AXS Support
Using APEX2 to Analyze Twinned Crystals - Bruker AXS Support
Using APEX2 to Analyze Twinned Crystals - Bruker AXS Support
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Types of twins –<br />
Partial merohedral twin<br />
• Twin opera<strong>to</strong>r is always(?) a<br />
rotation of 180°<br />
• No overlap and exact overlap of<br />
reflection in reciprocal space<br />
• Every n-th lattice row overlaps<br />
completely<br />
• Special <strong>to</strong>ols for cell<br />
determination<br />
• Difficult <strong>to</strong> index with Cell_now<br />
• Data integration requires more<br />
than one orientation matrix<br />
• Structure solution not difficult<br />
after “de-twinning”<br />
05.05.2011 5
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