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Structure of etch pattern at helical dislocations in NaCl single crystals

Published/Copyright: July 28, 2010
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Zeitschrift für Kristallographie
From the journal Zeitschrift für Kristallographie Volume 126 Issue 1-3

Abstract

Spiral patterns have been produced by thermally etching NaCl single crystals at 780°C for 8 hours. By drawing a schematic diagram it is shown that the spiral pattern indicates the sites of helical dislocation perpendicular to the cleavage face. Observations have been made on the spiral etch pattern to obtain the pitch, as well as the diameter, of the helical-dislocation cone. The calculated pitch and the diameter of the helix are 0.4 μ and 6 μ respectively.

Published Online: 2010-07-28
Published in Print: 1968-01

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  1. A special case of two-dimensionally disordered crystals
  2. Die Kristallstruktur des Koenenits, eine Doppelschichtstruktur mit zwei inkommensurablen Teilgittern
  3. Zur Indizierung von Pulverdiagrammen tetragonaler und hexagonaler Substanzen
  4. Etch patterns on apophyllite basal cleavages
  5. Die Kristallstruktur von Li2(Si0,25Ge0,75)2O5
  6. The crystal structure of LiAlSi2O6-II (“β spodumene”)
  7. Phase solution of para-chlorophenol
  8. Crystal structure of an eighteen-layered polytype of cadmium iodide
  9. X-ray diffraction effects by non-ideal crystals of biotite, muscovite, montmorillonite, mixed-layer clays, graphite, and periclase*
  10. The crystal structure of alamosite, PbSiO31
  11. Sauerstoff als Koordinationszentrum in Kristallstrukturen
  12. Low-iron polymorphs in the pyrrhotite group
  13. Revised crystal structure of dehydrated Na-Type A zeolite
  14. Verfeinerung der Tl2O3-Struktur mittels Neutronenbeugung
  15. The location of hydrogen atoms in crystalline ionic hydrates
  16. Disorder phenomenon in cadmium iodide crystals
  17. Crystal structure of single-layer lizardite
  18. Proof that the pgg packing of ellipses has never the maximum density
  19. Weighting function in crystal-structure analysis*
  20. Tetrahedral metal groups in Fe2B and Mn4B structures
  21. Antisymmetrische OD-Strukturen
  22. Studies on etching of neutron-irradiated calcium fluoride single crystals
  23. Matrix methods in Fourier summations
  24. Electron-optical studies of etch patterns on calcium fluoride
  25. Structure of etch pattern at helical dislocations in NaCl single crystals
  26. Crystal structure of l(+)-cysteine hydrochloride monohydrate*
  27. Eighth International Congress of Crystallography
  28. Intercongress Meeting, 1968
https://doi.org/10.1524/zkri.1968.126.1-3.222

Articles in the same Issue

  1. A special case of two-dimensionally disordered crystals
  2. Die Kristallstruktur des Koenenits, eine Doppelschichtstruktur mit zwei inkommensurablen Teilgittern
  3. Zur Indizierung von Pulverdiagrammen tetragonaler und hexagonaler Substanzen
  4. Etch patterns on apophyllite basal cleavages
  5. Die Kristallstruktur von Li2(Si0,25Ge0,75)2O5
  6. The crystal structure of LiAlSi2O6-II (“β spodumene”)
  7. Phase solution of para-chlorophenol
  8. Crystal structure of an eighteen-layered polytype of cadmium iodide
  9. X-ray diffraction effects by non-ideal crystals of biotite, muscovite, montmorillonite, mixed-layer clays, graphite, and periclase*
  10. The crystal structure of alamosite, PbSiO31
  11. Sauerstoff als Koordinationszentrum in Kristallstrukturen
  12. Low-iron polymorphs in the pyrrhotite group
  13. Revised crystal structure of dehydrated Na-Type A zeolite
  14. Verfeinerung der Tl2O3-Struktur mittels Neutronenbeugung
  15. The location of hydrogen atoms in crystalline ionic hydrates
  16. Disorder phenomenon in cadmium iodide crystals
  17. Crystal structure of single-layer lizardite
  18. Proof that the pgg packing of ellipses has never the maximum density
  19. Weighting function in crystal-structure analysis*
  20. Tetrahedral metal groups in Fe2B and Mn4B structures
  21. Antisymmetrische OD-Strukturen
  22. Studies on etching of neutron-irradiated calcium fluoride single crystals
  23. Matrix methods in Fourier summations
  24. Electron-optical studies of etch patterns on calcium fluoride
  25. Structure of etch pattern at helical dislocations in NaCl single crystals
  26. Crystal structure of l(+)-cysteine hydrochloride monohydrate*
  27. Eighth International Congress of Crystallography
  28. Intercongress Meeting, 1968
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