Coherent twin boundaries in high-superconducting oxides
- 1 April 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 37 (10) , 5837-5840
- https://doi.org/10.1103/physrevb.37.5837
Abstract
When subjected to a low-temperature annealing cycle similar to that of Bhargava et al., 1:2:3 superconducting oxides are shown to form fine, 250-Å spaced twins. The symmetry of the crystal is markedly altered. A theoretical calculation shows that twins introduce minigaps into the electronic structure. The implications for high- superconductivity are discussed.
Keywords
This publication has 16 references indexed in Scilit:
- Improved high-superconductorsPhysical Review Letters, 1987
- Electronic structure of the high Tc superconductor Ba2YCu3O6.9Solid State Communications, 1987
- Electron diffraction and electron microscopic study of BaYCuO superconducting materialsSolid State Communications, 1987
- Structural phase transition in YBa2Cu3O7−δ: the role of dimensionality for high temperature superconductivitySolid State Communications, 1987
- Bonds, bands, charge transfer excitations and superconductivity of YBa2Cu3O7-δPhysics Letters A, 1987
- Electronic structure and properties of YBa2Cu3O7-δ, a low dimensional, low density of states superconductorPhysics Letters A, 1987
- X-Ray and Electron Microscopic Study of a High Temperature Superconductor Y0.4Ba0.6CuO2.22Japanese Journal of Applied Physics, 1987
- Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressurePhysical Review Letters, 1987
- Bulk superconductivity at 36 K inPhysical Review Letters, 1987
- Possible highT c superconductivity in the Ba?La?Cu?O systemZeitschrift für Physik B Condensed Matter, 1986