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Proceedings Paper

Spectroscopic inspection of oxygen ordering in Y-Ba-Cu-O
Author(s): Dmitry V. Buyanov; Anatoly Ohurilov; Alexander S. Rudy
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Paper 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 O6.8 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.

Paper Details

Date Published: 1 August 1992
PDF: 6 pages
Proc. SPIE 1783, International Conference of Microelectronics: Microelectronics '92, (1 August 1992); doi: 10.1117/12.131055
Show Author Affiliations
Dmitry V. Buyanov, Institute of Microelectronics (Russia)
Anatoly Ohurilov, Institute of Microelectronics (Russia)
Alexander S. Rudy, Yaroslavl State Univ. (Russia)


Published in SPIE Proceedings Vol. 1783:
International Conference of Microelectronics: Microelectronics '92

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