Sheet superconductivity in : crystal structure of the tetragonal matrix
- 24 August 1998
- journal article
- letter
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 10 (33) , L569-L574
- https://doi.org/10.1088/0953-8984/10/33/002
Abstract
Sheet conductivity was found in oxygen reduced . The sheets are aligned along the twin boundaries of the unreduced starting material . The bulk transforms during the oxygen loss to a phase with tetragonal crystal structure. The space group is with lattice parameters a = 0.739 nm and c = 0.388 nm. The perovskite-like structure contains distorted octahedra with W - O distances between 0.17 nm and 0.218 nm.Keywords
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