Lanthanum barium copper oxide
The unit cell of the layered perovskite structure of LBCO. Copper ions are red, lanthanum (barium) ions are blue, and oxygen ions are green.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Lanthanum barium copper oxide, or LBCO, was discovered in 1986 and was the first high temperature superconductor. Johannes Georg Bednorz and K. Alex Müller shared the 1987 Nobel Prize in physics for its discovery.
The Break-Through, by Robert M. Hazen, Summit books, 1988
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