Atmospheric degradation of the proton-irradiated textured oxide superconductors
M. U. KalanovInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanЭ. М. ИбрагимоваInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanTuymurod KhaidarovInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanM. S. PaizullakhanovInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanV. M. RustamovaInstitute of Nuclear Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
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Atmospheric degradation of the structure and superconducting properties of the isotropic and textured YBa2Cu3O7−δ (δ=0.07) ceramics as a result of prolonged storage in air under normal conditions was studied on the samples possibly irradiated with 18-MeV protons to a maximum fluence of 6×1014 p/cm2. It is demonstrated that the proton irradiation to a certain dose increases stability of the structure and superconducting properties of the ceramics with respect to atmospheric degradation; an additional inhibition of the degradation is achieved in textured ceramics.
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