Indexing of the Powder Diffraction Pattern of Yttrium Oxalate Dihydrate

D. Louër, F. Deneuve, F. Ecochard
1990 Powder Diffraction  
Yttrium oxalate dihydrate, Y 2 (C 2 O 4 ) 3 .2H 2 O, has been investigated by means of X-ray powder diffraction. Unit cell dimensions were determined by an indexing program based on the variation of parameters by successive dichotomies. The diffractometer data were collected with strictly monochromatic radiation. A monoclinic cell was found: a=9.3811(8)A, b=11.6385(15)A, c=5.9726(7)A, £=96.079(8)°, which is characterized by the figures of merit M 20 =87 and F 30 =112 (0.0065,41). A preliminary
more » ... nalysis of the anisotropic line broadening has revealed some microstructural properties. It is shown that line broadening is mainly due to a micro-strain effect.
doi:10.1017/s0885715600015438 fatcat:p7caa2z6xjacvdb3ce7l4v4vqm