Spectroscopic inspection of oxygen ordering in Y-Ba-Cu-O

Dmitry V. Buyanov; Anatoly Ohurilov; Alexander S. Rudy

doi:10.1117/12.131055

1 August 1992 Spectroscopic inspection of oxygen ordering in Y-Ba-Cu-O

Dmitry V. Buyanov, Anatoly Ohurilov, Alexander S. Rudy

Proceedings Volume 1783, International Conference of Microelectronics: Microelectronics '92; (1992) https://doi.org/10.1117/12.131055
Event: International Conference on Microelectronics, 1992, Warsaw, Poland

Abstract

We report the Y-Ba-Cu-O infrared (IR) transmittance, electron paramagnetic resonance (EPR) spectra and x-ray diffraction pattern evolution through transition of samples from oxygen disordered tetragonal O₆ to orthorhombic O_6.8 phase. The transmittance spectrum of the sample prepared by conventional technique and quenched in liquid nitrogen is considerably distorted by lattice defects. After thermal treatment, their concentration is reduced by interstitial oxygen redistribution and the spectrum acquires its natural shape. Further spectra evolution, considered as extra oxygen in-plane ordering, is in a good agreement with EPR and x-ray diffraction measurements. The possibility of Y-Ba-Cu-O films oxygen stoichiometry inspection by IR spectroscopy methods is discussed.

Citation Download Citation

Dmitry V. Buyanov, Anatoly Ohurilov, and Alexander S. Rudy "Spectroscopic inspection of oxygen ordering in Y-Ba-Cu-O", Proc. SPIE 1783, International Conference of Microelectronics: Microelectronics '92, (1 August 1992); https://doi.org/10.1117/12.131055

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