Crystal structures and X-ray powder diffraction data for AAlGe2O6 synthetic leucite analogs (A = K, Rb, Cs)

BELL, Anthony (2024). Crystal structures and X-ray powder diffraction data for AAlGe2O6 synthetic leucite analogs (A = K, Rb, Cs). Powder Diffraction.

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Abstract

Leucites are tetrahedrally coordinated silicate framework structures with some of the silicon framework cations that are partially replaced by divalent or trivalent cations. These structures have general formulae A2BSi5O12 and ACSi2O6, where A is a monovalent alkali metal cation, B is a divalent cation, and C is a trivalent cation. There are also leucite analogs with analogous tetrahedrally coordinated germanate framework structures. These have general formulae A2BGe5O12 and ACGe2O6. In this paper, the Rietveld refinements of three synthetic Ge-leucite analogs with stoichiometries of AAlGe2O6 (A = K, Rb, Cs) are discussed. KAlGe2O6 is I41/a tetragonal and is isostructural with KAlSi2O6. RbAlGe2O6 and CsAlGe2O6 are cubic and are isostructural with KBSi2O6.

Item Type:	Article
Uncontrolled Keywords:	0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics; 0204 Condensed Matter Physics; 0503 Soil Sciences; Inorganic & Nuclear Chemistry; 3402 Inorganic chemistry; 3403 Macromolecular and materials chemistry; 5104 Condensed matter physics
Identification Number:	https://doi.org/10.1017/s088571562400023x
SWORD Depositor:	Symplectic Elements
Depositing User:	Symplectic Elements
Date Deposited:	21 May 2024 11:31
Last Modified:	21 May 2024 11:31
URI:	https://shura.shu.ac.uk/id/eprint/33734

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