Enhancement of (0k0) reflections of clay minerals in a Guinier camera |
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| Authors: | Friedrich Lippmann |
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| Institution: | (1) Mineralogisches Institut der Universität Tübingen, Deutschland |
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| Abstract: | In oriented aggregates of flake-like clay minerals the (0k0) planes tend to orient in such a way that their normals become aligned subparallel to the specimen layer. This property may be utilized to obtain enhanced (060) intensities provided that the normal of the clay layer and the primary beam intersect at an angle equal to the Bragg angle for (060). This condition may be satisfied in a Guinier camera.From the degree of orientation t(00l) of the basal planes the enhancement factor t
(0k0) is calculated according to three models. For t
(00l) between 5 and 50 times the intensity of random orientation the enhancement t
(0k0) varies between 2 and 5.5 times. |
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