Raman Spectroscopy Of The 90K Superconductor YBa2Cu307_8 And Its Related Phases

Z. Iqbal; S. W. Steinhauser; A. Bose; N. Cipollini; F. Feidinger; H Eckhardt

doi:10.1117/12.941942

19 January 1988 δRaman Spectroscopy Of The 90K Superconductor YBa₂Cu₃0₇_8 And Its Related Phases

Z. Iqbal, S. W. Steinhauser, A. Bose, N. Cipollini, F. Feidinger, H Eckhardt

Proceedings Volume 0822, Raman and Luminescence Spectroscopy in Technology; (1988) https://doi.org/10.1117/12.941942
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

The current state of the Raman spectroscopy of YBa2Cu307_8 (referred to as the Y123 material) is briefly reviewed. The Raman-active Cu-0 stretching modes in the Y123 structure are assigned. The extraneous line at 632 cm 1 which occurs with variable intensity in differently prepared samples appears not to be associated with either the Y2BaCu05 (green) or the BaCuO₂ impurity phases. It is probably due to a structural defect in the crystalline grains of the Y123 phase. Preliminary results on thin films of a nominal Y213 composition, on the oxygen-deficient tetragonal Y123 phase and the recently synthesized Y336 phase, are also reported.

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Z. Iqbal, S. W. Steinhauser, A. Bose, N. Cipollini, F. Feidinger, and H Eckhardt "δRaman Spectroscopy Of The 90K Superconductor YBa₂Cu₃0₇_8 And Its Related Phases", Proc. SPIE 0822, Raman and Luminescence Spectroscopy in Technology, (19 January 1988); https://doi.org/10.1117/12.941942

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