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X-ray high temperature powder diffraction study and computer simulation of γ-LiNaCO3
Veröffentlicht/Copyright:
28. Juli 2010
Abstract
The high-temperature γ-phase of lithium sodium carbonate (γ-LiNaCO3, a = 8.311 Å, c = 3.386 Å, P[unk]) has been studied by X-ray diffraction and computer simulation methods. The results of computer simulation based on the ionic model and the temperature dependence of the superlattice reflection intensities correspond to the order-disorder type of the β – γ phase transition. The Rietveld refinement using X-ray powder data at 713 K confirms the disordered model of the structure with one of the three CO32− groups disordered over two sets of positions.
Published Online: 2010-7-28
Published in Print: 1999-5-1
© 2015 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München
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Artikel in diesem Heft
- X-ray high temperature powder diffraction study and computer simulation of γ-LiNaCO3
- Single crystal X-ray diffraction studies of Na2MnF5 at high hydrostatic pressures
- On the crystal structure of Bi11Se12Cl9
- Crystal structure and crystal-chemical features of a new Ti-rich member of the eudialyte family
- The phases of Cs3Bi2I9 between RT and 190 K
- Structure of triantimony tetraoxide chloride, Sb3O4Cl: twinning and one-dimensional disorder
- Neutron single-crystal study of barium hydroxide iodide tetrahydrate, a compound with most strongly distorted hydrate H2O molecules
- Atomic Modulation Functions, Periodic Nodal Surfaces and the three-dimensional incommensurately modulated (1 − x)Bi2O3 · xNb2O5, 0.06 < x < 0.23, solid solution
- New copper selenites. Part B: Cu2(SeO3)2 · H2O and Tl(III)2Cu3(SeO3)61
- Crystal structure of bis{(di-i-butyldithiophosphinato)gold(I)}, {AuS2P(i-C4H9)2}2
