High-resolution characterization of the forbidden Si 200 and Si 222 reflections

The occurrence of the basis-forbidden Si 200 and Si 222 reflections in specular X-ray diffraction ω-2Θ scans is investigated in detail as a function of the in-plane sample orientation Φ. This is done for two different diffractometer types with low and high angular divergence perpendicular to the dif...

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Veröffentlicht in:Journal of applied crystallography. - 1998. - 48(2015), Pt 2 vom: 01. Apr., Seite 528-532
1. Verfasser: Zaumseil, Peter (VerfasserIn)
Format: Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Journal of applied crystallography
Schlagworte:Journal Article Umweganregung X-ray diffraction forbidden reflections multiple diffraction silicon
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520 |a The occurrence of the basis-forbidden Si 200 and Si 222 reflections in specular X-ray diffraction ω-2Θ scans is investigated in detail as a function of the in-plane sample orientation Φ. This is done for two different diffractometer types with low and high angular divergence perpendicular to the diffraction plane. It is shown that the reflections appear for well defined conditions as a result of multiple diffraction, and not only do the obtained peaks vary in intensity but additional features like shoulders or even subpeaks may occur within a 2Θ range of about ±2.5°. This has important consequences for the detection and verification of layer peaks in the corresponding angular range 
650 4 |a Journal Article 
650 4 |a Umweganregung 
650 4 |a X-ray diffraction 
650 4 |a forbidden reflections 
650 4 |a multiple diffraction 
650 4 |a silicon 
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