Published October 1, 1989
| Version v1
Journal article
Neutron-powder-diffraction study of the structure and antiferromagnetic ordering in Pr2CuO4
- 1. Physics Department, Brookhaven National Laboratory, Upton, New York 11713 (USA)
- 2. Ames Laboratory and Department of Physics, Iowa State University, Ames, Iowa 50011
- 3. Experimental Station, E. I. DuPont de Nemours and Co., Wilmington, Delaware 19898
Description
A neutron-powder-diffraction study has been carried out on Pr2CuO4, which has the T'-type structure of the new high-Tc electron superconductors. The compound orders antiferromagnetically at about 270 K. The magnetic intensities at 15 K can be equally well accounted for by a collinear magnetic structure with orthorhombic symmetry or a noncollinear structure with tetragonal symmetry. In both cases, Cu moments are coupled antiferromagnetically within the CuO2 layers, the ordered moment being 0.48μB at 15 K. Rietveld refinement at 298 and 15 K shows the crystal structure is essentially unchanged; in particular, there is no detectable distortion at low temperature
Additional details
Publishing Information
- Journal Title
- Physical Review, B: Condensed Matter
- Journal Volume
- 40
- Journal Issue
- 10
- Series
- Phys. Rev., B: Condens. Matter.
- Journal Page Range
- 6998-7004
- ISSN
- 0163-1829
- CODEN
- PRBMD
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 21018498
- Subject category
- S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
- Descriptors DEI
- ANTIFERROMAGNETISM; COPPER OXIDES; CRYSTAL STRUCTURE; LOW TEMPERATURE; MEDIUM TEMPERATURE; NEUTRON DIFFRACTION; PRASEODYMIUM OXIDES; STRUCTURAL CHEMICAL ANALYSIS; TEMPERATURE DEPENDENCE; VERY LOW TEMPERATURE
- Descriptors DEC
- CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; DIFFRACTION; MAGNETISM; OXIDES; OXYGEN COMPOUNDS; PRASEODYMIUM COMPOUNDS; RARE EARTH COMPOUNDS; SCATTERING; TRANSITION ELEMENT COMPOUNDS