Journal article
Defect ordering in YBa2Cu3O6.5 and YBa2Cu3O6.6: Synthesis and characterization by neutron and electron diffraction
Abstract
Polycrystalline samples of YBa2Cu3O6.5 and YBa2Cu3O6.6 were prepared by oxygen titration of YBa2 Cu3O6.0 at 450°C followed by slow cooling to room temperature. Both samples showed evidence for thea′ = 2a supercell in individual grains by electron diffraction as reported previously. In addition the superlattice was observed in neutron powder diffraction indicating that the bulk material is also well ordered. In this study the YBa2Cu3O6.6 phase …
Authors
Lin YP; Greedan JE; O'Reilly AH; Reimers JN; Stager CV; Post ML
Journal
Journal of Solid State Chemistry, Vol. 84, No. 2, pp. 226–236
Publisher
Elsevier
Publication Date
2 1990
DOI
10.1016/0022-4596(90)90321-n
ISSN
0022-4596