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Long period mixed layer polytypes in the Tl2Ba2Can+1O2n+6 superconductor

✍ Scribed by M. Verwerft; G. Van Tendeloo; S. Amelinckx


Book ID
108023990
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
904 KB
Volume
156
Category
Article
ISSN
0921-4534

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πŸ“œ SIMILAR VOLUMES


Long period mixed layer polytypes in the
✍ G. Van Tendeloo; M. Verwerft; S. Amelinckx πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 92 KB

High Tc superconductors in the homologous series TI2-xBa2CanCul+nO6Γ·2n can exist up to at least n.,4. It is found furthermore by electron microscopy and electron diffraction that mixed layer polytypes with very large unit cells,up to several hundred AngstrOm occur. These large repeat units originate

205Tl Knight and chemical shift in the h
✍ N. Winzek; F. Hentsch; M. Mehring; Hj. Mattausch; R. Kremer; A. Simon πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 554 KB

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