Role of out-of-plane copper orbitals in thallium cuprate
P. Srivastava, F. Studer, K. B. Garg, Ch. Gasser, H. Murray, M. Pompa
DOI 10.1103/PhysRevB.54.693 · Physical Review B
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Abstract
To understand the role of out-of-plane copper orbitals, polarization dependent measurements of Cu L3-absorption edge on well characterized Tl(2212) thin films have been performed. The density of unoccupied states having 3dz2−r2 character is found to depend on the amount of doping suggesting that out-of-plane copper orbitals essentially play a role of hole reservoir. The energy shift in the positions of white lines of E∥(a,b) and E∥c spectra is also found to be doping dependent. The probable reason for the observed shift is discussed. © 1996 The American Physical Society.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Tl2Ba2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 105 | Pressure not reported | onset |
| Tl2Ba2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 100 | Pressure not reported | onset |
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