Phys. Rev. B 35, 8869–8872 (1987)Plasmons and high-temperature superconductivity in alloys of copper oxides
The two-dimensional character of the electronic structure of M-N-Cu-O alloys, with M=La,Y and N=Ba,Sm,..., is shown to favor the formation of ‘‘acoustic’’ plasmons at energies above the acoustic phonons. Providing that the Fermi energy intersects a small pocket of electrons (or holes) in addition to the expected occupation of a primary electron (or hole) band, the plasma oscillations of the secondary charge carriers may provide a mechanism for room-temperature superconductivty. © 1987 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.35.8869
DOI:
10.1103/PhysRevB.35.8869
PACS:
74.60.Mj, 71.45.Gm, 74.20.-z, 74.70.Ya
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