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Self-energies of infrared-active phonons in RBa2Cu3O7−δ

✍ Scribed by A.P. Litvinchuk; C. Thomsen; M. Cardona


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
438 KB
Volume
80
Category
Article
ISSN
0038-1098

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Incompatibility of hole-filling and pair
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R-site magnetic rare-earth ions in superconducting \(\mathrm{RBa}_{2} \mathrm{Cu}_{3} \mathrm{O}_{7-\delta}\) cannot both fill holes and break pairs. Therefore the observation of both phenomena implies that some rare-earth ions occupy sites other than the \(\mathrm{R}\)-sites, presumably Ba sites.