Etude Raman des Verres 0.2Na2O(0.8x)SiO2xB2O3 (0x⩽0.7)
✍ Scribed by Toyi Assih; Louis Beys; Paul Hillaire; Jean Phalippou
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 360 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0377-0486
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Micro-Raman spectra of erbium-doped Bi-2212 are reported. The assignment of the observed bands is made on the basis of the results of lattice dynamical calculations and known vibrational spectra of pure Bi-2212 and Y-123 systems. The characteristics of the observed bands seem to depend mainly on the
The domains of the system, \(\mathrm{Cd}_{2-x} \mathrm{Cu}_{\mathrm{x}} \mathrm{P}_{2} \mathrm{O}_{7}, \mathrm{O} \leq x \leq 2\), have been established by powder diffraction methods. Two solid solutions have been found near \(\mathrm{Cd}_{2} \mathrm{P}_{2} \mathrm{O}_{7}(0 \leq x \leq 0.40)\) and \