Model of interatomic interaction and dynamic and thermodynamic properties of Tl2CaBa2Cu2O8
β Scribed by V.R. Belosludov; M.Yu. Lavrent'ev; S.A. Syskin
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 191 KB
- Volume
- 185-189
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
The neutron-weighted phonon density of states in the high-temperature superconductor TI2CaBa2Cu208 (T c = 107 K) is obtained from coherent inelastic neutron scattering measurements at the Dhruva reactor at 300 K. The phonon spectrum is qualitatively similar to that in the 90K superconductor YBa2Cu30
The DC Josephson effect between grains in YBa2Cua07 and TI2CaBa2Cu20e sinters was investigated. DC SQUID operation was detected in two geometries up to T = 86 K and T = 101 K respectively. The results are consistent with the assumption that the grain boundaries are S-N-S or S-S'-S junctions and that
We report on the 2Β°5T1 NMR (nuclear magnetic resonance) spectra of the title compounds below and above the superconducting transition temperature TΒ’. The TIO layer NMR spectra are dominated by chemical shifts corresponding to TI 3+ with a smaller additional positive Knight shift, whereas a "defect l