Neutron scattering studies of nuclear and magnetic structures of YBa2(Cu1−yZny)3O6+x

✍ Scribed by R. Villenueve; I. Mirebeau; G. Collin; F. Bourée

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 174 KB
• Volume: 235-240
• Category: Article
• ISSN: 0921-4534
• DOI: 10.1016/0921-4534(94)92024-9

✦ Synopsis

Elastic neutron ~ction

experiments were performed on YBa2(Cu~.y ZnyhO6+x powders. Nuclear structures have been refined using the RieWeld method on powders of compositions x=l and y ranging from 0.0I to 0.06. The results suggest a solubility limit of zinc in the coper planes at y,,0.04 and zinc may start to substttute for chain coper sites for higher y values. Magnetic structure of a y--0.02 and x=0.05 powder has been studied by neutron elasuc diffracUon. The antiferromagnetic structure is not affected by non-magnetic zinc atoms but the ordenng temperature ts strongly reduced.