2003
DOI: 10.1002/zaac.200390083
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Fehlordnung bei Smectiten in Abhängigkeit vom Zwischenschichtkation

Abstract: Fluorosmectite, [M0.5]zwi[Mg2.5Li0.5]okt[Si4]tetO10F2 (M = Na, K, Rb, Cs), wurden über eine Schmelzsynthese in gasdicht verschweißten Mo‐Tiegeln dargestellt. Bei gleichbleibender, im Bereich der Smectite liegender, Schichtladung von x = 0.5 nimmt sowohl die Kristallitgröße als auch die Stapelordnung mit größer werdendem Zwischenschichtkation zu. Während beim mikrokristallinen Na‐Hectorit sowohl Rotations‐ (n120° und n60°) als auch Translationsfehlordnung (±0.145b) vorliegt, findet man für K‐Hectorit dagegen nu… Show more

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Cited by 72 publications
(55 citation statements)
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“…This effect can be associated to a more ordered stacking of the clay layers in V-SAP that could be promoted by the presence of vanadium ions in the saponite interlamellar space. As it was already observed for other smectite materials, the presence of large cations could interlock both sides of the interlayer space of the silicate surface, thus leading to a more ordered structure [25]. Conversely, in the presence of small cations (i.e.…”
Section: Resultsmentioning
confidence: 80%
“…This effect can be associated to a more ordered stacking of the clay layers in V-SAP that could be promoted by the presence of vanadium ions in the saponite interlamellar space. As it was already observed for other smectite materials, the presence of large cations could interlock both sides of the interlayer space of the silicate surface, thus leading to a more ordered structure [25]. Conversely, in the presence of small cations (i.e.…”
Section: Resultsmentioning
confidence: 80%
“…The anisotropic form originates from the diffraction of the X-ray beam by a lattice with two dimensional translation symmetry without any ordering in the third dimension. [34][35][36] Therefore, the peak shape is the first indicator for the absence of order in the third dimension, signifying turbostratic 6 disorder. A similar conclusion can be drawn from the out-of-plane PXRD, where the pellets of [RuCl 3 ] x-and t-RuCl 3 feature an exponential intensity decay for the series of (00l) reflections with higher order.…”
Section: Introductionmentioning
confidence: 99%
“…[9] Furthermore, dyes other than indigo have been inserted into palygorskites, thereby expanding the color range and thus affording a range of novel hybrid pigments. [10] Morphologically related to palygorskite is the natural clay mineral hectorite; [11] nanoscaled synthetic derivatives of these, namely laponites, are available commercially. [12] Much to our delight, the marriage between indigo and Laponite RD afforded a water-soluble hybrid, which we term Laponite Blue, as its aqueous solutions closely mimic solid Maya Blue and indigo optically.…”
mentioning
confidence: 99%
“…c) Structure of laponite: side view of two unit cells, (100) direction. The dimensions refer to a single crystal structure analysis of Cs-hectorite, [11] from which the depicted slab has been reconstructed.…”
mentioning
confidence: 99%