Please use this identifier to cite or link to this item:
|Type:||Artigo de periódico|
|Title:||Rare Earth Ionic Size Dependence Of Tc In Rbasrcu3o7 (r = Y, Dy, Nd, And La) Series|
De Lima O.F.
|Abstract:||Superconducting transition temperature (Tc), measured by ac susceptibility technique, was determined for the RBaSrCu3O7 compounds with R = Y, Dy, Nd and La. Rare earth dependence of Tc in RBaSrCu3O7 series is quite different than that observed in RBa2Cu3O7 (R:123) series. Neutron diffraction studies reveal that the title compounds with R = Y, Dy crystallize in the orthorhombic R:123 structure with orthorhombicity considerably smaller than that of the R:123 compounds. In fact, the orthorhombicity reduces so much that the RBaSrCu3O7 compounds with light rare earths, R = La and Nd, are tetragonal or almost tetragonal. © 2000 Elsevier Science B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.