The synthesis and structure of Tl(Sr1.4La2.6)Ni2O9; a direct structural analogue of a superconducting cuprate
Abstract
The nickelate Tl(Sr
1.4
La
2.6
)Ni
2
O
9
, synthesised by the reaction of Tl
2
O
3
, La
2
O
3
and Sr
2
Ni
2
O
5
, is isostructural with the equivalent superconducting cuprate phase, consisting of layers of apex-sharing, stoichiometric NiO
6
octahedra separated by a TlO layer.
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