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Induction of bidimensionality in mixed CuTi perovskites
Author(s) -
Palacín María Rosa,
Fuertes Amparo,
CasañPastor Nieves,
GömezRomero Pedro
Publication year - 1994
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19940060110
Subject(s) - cuprate , materials science , perovskite (structure) , bismuth , thallium , superconductivity , crystal structure , copper , inorganic chemistry , mineralogy , crystallography , condensed matter physics , metallurgy , doping , chemistry , optoelectronics , physics
Control of structure and order in oxides is essential for the design of new superconducting cuprates. The intergrowth of perovskite and rock salt layers, as found in bismuth, thallium and, very recently, the record breaking mercury cuprates, is just one way to induce bidimensionality. Defect “all perovskite” oxides, such as Ln 2 Ba 2 C 2 Ti 2 O 11 (Ln = La, Nd, Eu) are discussed as examples of a crystal ‐chemical approach to the induction of bidimensionality and order in mixed perovskite oxides of copper.