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Light scattering measurements on Pb-doped NaCl crystals

โœ Scribed by Dipl. Phys R. Schalge

Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
162 KB
Volume
5
Category
Article
ISSN
0232-1300

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โœฆ Synopsis

Zentrallnatitut N r Opuk und Spoktroskopie der D e u ~h e a AL.hmie der WissennohPftan m Berlin ring Measurements on Pb-doped NaCl Crystals

Contrary to pure crystals the light intensity scattered in doped crystals in general is not only considerably higher but also non-symmetric in the forward direction. Both the enhanced htensity and naa-symmetry indicate that light scattering is caused by particles not very small. This means the impurity is not completely solved in the crystal but is partly precipitated forming colloidal scattering centres. Iu some cases cylindrical precipitations oriented into crystallographic directions occur together with spherical ones as was shown by means of light scattering measurements (HAURET et al.).

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