Temperature dependence of the elastic and inelastic moduli of YBa2Cu3O7?δ ceramics |
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| Authors: | M U Kalanov T Kh Khaidarov M S Paizullakhanov |
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| Affiliation: | (1) Institute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan |
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| Abstract: | Elastic and inelastic moduli of the superconducting yttrium-barium oxide ceramics YBa2Cu3O7−δ (YBCO) were studied using the ultrasonic resonance technique. In the range from room temperature up to the temperature of
the ortho-tetra phase transition, the elastic and inelastic moduli of YBCO samples exhibit a number of anomalies. It is shown
that these features are related to the behavior of active oxygen in the ceramics, the phase inhomogeneity of the material,
and the phase transitions. |
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