CRYSTAL-STRUCTURE OF THE BROWNMILLERITE-RELATED PHASE LACACUGAO5

Authors
KHARLANOV AL BRYNTSE I ANTIPOV EV LUZIKOVA AV
Citation
Al. Kharlanov et al., CRYSTAL-STRUCTURE OF THE BROWNMILLERITE-RELATED PHASE LACACUGAO5, Acta chemica Scandinavica, 47(5), 1993, pp. 434-438
Citations number
18
Categorie Soggetti
Chemistry,Biology
Journal title
Acta chemica Scandinavica → ACNP
ISSN journal
0904213X
Volume
47
Issue
5
Year of publication
1993
Pages
434 - 438
Database
ISI
SICI code
0904-213X(1993)47:5<434:COTBPL>2.0.ZU;2-Q
Abstract
A new compound, LaCaCuGaO5, of the brownmillerite-type structure [a = 16.022(3), b = 5.4979(7), c = 5.3366(9) angstrom] has been synthesized . The phase was investigated by means of X-ray powder diffraction and electron microscopy, together with energy-dispersive spectrometry (EDS ) analysis. The structure was refined by the Rietveld method using the space group Imcm (No. 74 in a non-standard setting) and a statistical distribution of the La and Ca atoms.