Neutron diffraction experiments have been performed on powder and single crystal (2x5x2x1.5 mm 3) samples of YBa2Cu306+ x compounds. The reduced compound YBa2Cu306 is found to order antiferromagnetically below T N = 420 ยฑ 10 KoThe magnetic moment is about 0.6 + 0.05 UB on the Cu 2+ sites and aligned
Neutron scattering study of antiferromagnetic ordering in YBa2Cu3Ox
โ Scribed by D. Petitgrand; G. Collin
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 258 KB
- Volume
- 156-157
- Category
- Article
- ISSN
- 0921-4526
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โฆ Synopsis
We present results of an investigation of the antiferromagnetic ordering in YBa,Cu,O, for x = 6.0, 6.53 and 6.55 by neutron scattering.
For x = 6 the magnetic structure, the spin direction and the magnetic form factor have been determined.
For x = 6.55 we have observed the coexistence of antiferromagnetism and superconductivity.
๐ SIMILAR VOLUMES
Samples of YBa2Cu30 x were prepared by solid state reaction and characterized by resistivity and magnetic measurements, x-ray diffraction, and electron microprobe analysis. The oxygen pressure was measured directly as function of temperature under isochoric conditions with minimized free volume. DTA
Neutron diffraction experiments, performed on a powder sample, have shown that the reduced compound YBa2Cu306 orders with an antiferromagnetic structure at a temperature as high as 500 K. Magnetic moments of about 0.48 +\_0.05 Pa are aligned along the tetragonal c-axis and exhibit an antiferromagnet