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Synthesis and X-Ray Powder Diffraction Analysis of a New Metallic (but not Superconducting) Copper Oxide: La1.67Sr0.33Cu2O5

Published online by Cambridge University Press:  10 January 2013

T. C. Huang ,
A. I. Nazzal ,
Y. Tokura ,
J. B. Torrance  and
R. Karimi
T. C. Huang
Affiliation:
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099, U.S.A.
A. I. Nazzal
Affiliation:
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099, U.S.A.
Y. Tokura
Affiliation:
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099, U.S.A.
J. B. Torrance
Affiliation:
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099, U.S.A.
R. Karimi
Affiliation:
IBM Almaden Research Center, 650 Harry Road, San Jose, California 95120-6099, U.S.A.
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Abstract

An ordered oxygen-deficient tetragonal perovskite compound La1.67Sr0.33Cu205 has been synthesized by solid state reaction. X-ray powder diffraction was used to characterize the material. Unit cell parameters least-squares refined from non-overlapping diffraction peaks are a = 10.8696(9)Å, c = 3.8612(6)Å and V = 456.2(1)Å3. X-ray powder data have been obtained for the experimentally observed peak positions corrected for systematic errors, the relative intensities, values of dexp and the Miller indices of both resolved and overlapping reflections. The experimental diffraction pattern was compared to computer simulated patterns calculated from the neutron crystal structure parameters and the non-oxygen-deficient LaCuO3 compound. The figure of merit is F30 = 33.8 (0.018, 48).

Type
Research Article
Information
Powder Diffraction , Volume 3 , Issue 2 , June 1988 , pp. 81 - 83
Copyright
Copyright © Cambridge University Press 1988

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