The binding energies of excess carriers (holes or electrons) as functions of the in-plane copper-oxygen hopping matrix element are calculated numerically by an exact diagonalization of the Emery Hamiltonian for the two-dimensional Cu408 cluster. Based on the results of the calculations, a qualitativ
✦ LIBER ✦
Effect of pressure on Tc of hole- and electron-doped infinite-layer compounds up to 8 GPa
✍ Scribed by H Takahashi; N Môri; M Azuma; Z Hiroi; M Takano
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 262 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0921-4534
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Total energy local density determinations of the effects of pressure on the (Srt\_xCax h\_yCuO2 infinite layer (IL) Tc ffi 110 K superconductor show, that the compressibility is highly anisotropic. Surprisingly , the energy location of the van Hove singularity (vHs) moves towards EF with pressure, t