Pr1.9Sr1.1Cu2O6: A model 2D variable range hopping conductor
β Scribed by H. Hohl; E. Bucher
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 338 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Pb2Sr0.9LaHCu2Or.l is one of the few high-To superconductors with a CuO2-monolayer. Here we report the 2Β°7pb-NMR measurements of the Knight shift and the nuclear spin-lattice and spin-spin relaxation rate on a powder sample with a To= 33 K. As in YBa2Cu3Or.63, the Knight shift, as a function of temp
compound (I) is isolated in the course of attempts to introduce NO 3 groups into derivatives of the Tl "1201" structure. According to the powder XRD data, (I) (tetragonal, P4/mmm) contains Cr(VI) similar to the 77 K superconductor (Tl 2/3 Cr 1/3 ) Sr 4 Cu 2 (CO 3 )O 7 (II), but consists of an interg