I. Morgenstern, K.A. Müller, et al.
Physica B: Physics of Condensed Matter
Structural investigations on powder samples of Y2Ba4Cu7O15–x with different carbonate content have been performed. Powder x‐ray Rietveld refinements showed the remarkable influence of carbonate incorporation on the lattice parameters. Most important is the decrease of Tc with increasing carbonate content. We assign these effects to an incorporation of the carbonate ion into the crystal lattice, copper vacancies at the Cu(1) position and a possible misorientation of the copper oxygen single chains. No change of the structure (e. g. superstructure) could be found. Copyright © 1994 Verlag GmbH & Co. KGaA, Weinheim
I. Morgenstern, K.A. Müller, et al.
Physica B: Physics of Condensed Matter
Frank Stem
C R C Critical Reviews in Solid State Sciences
J.V. Harzer, B. Hillebrands, et al.
Journal of Magnetism and Magnetic Materials
R. Ghez, M.B. Small
JES