Possibility of optical evidence for charge-transfer excitations in YBa2Cu3O7−δ (CROSBI ID 167856)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Batistić, Ivo ; Bishop, Alan R. ; Martin, R. L. ; Tešanović, Zlatko
engleski
Possibility of optical evidence for charge-transfer excitations in YBa2Cu3O7−δ
We present a three-level model that addresses the possibility that charge-transfer fluctuations are responsible for the anomalously large intensity of the 155 cm−1 Ba mode observed by Genzel et al. The model also addresses the accompanying Raman signature and the c-axis lattice constant variations with oxygen content.
high temperature superconductors ; charge-transfer excitations ; three-level model ; Raman signature
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Podaci o izdanju
40 (10)
1989.
6896-6901
objavljeno
0163-1829
1095-3795
10.1103/PhysRevB.40.6896