Abstract
We have investigated thin sputtered films of the highT c material YBa2Cu3O7 by means of Raman spectroscopy at different stages of the preparation process. We find that the films are amorphous after sputtering. The Raman spectra indicate that random polycrystalline layers, as well as crystalline layers with preferred orientation, are obtained by an additional thermal treatment.
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Feile, R., Schmitt, U., Leiderer, P. et al. Characterization of thin superconducting YBACuO-films by Raman-spectroscopy. Z. Physik B - Condensed Matter 72, 161–164 (1988). https://doi.org/10.1007/BF01312130
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DOI: https://doi.org/10.1007/BF01312130