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The temperature dependence of the real and imaginary parts of magneticsusceptibility of YBa2Cu3O7-{\delta} superconducting thin films were researchedat the electron irradiation with the energy of 2{\cdot}10<4> eV in the magneticfield of -2.4{\cdot}10<4> A/m at the temperature T=77 K. It is retrieved thatthe nonequilibrium distribution of atoms of oxygen, originating at theoperation of an electron beam, reduces in the change of a sort of dependence ofthe complex magnetic susceptibility of YBa2 Cu3O7-{\delta} thin films on thetemperature T. The diffusion relaxation of a none equilibrium distribution ofoxygen atoms and its vacancies, generated at the application of electronirradiation, results in an appearance of pinning centers with the reducedcontents of the oxygen in the normal cores of the Abricosov magnetic vortices.The increase of pinning forces results in the increase of critical currentdensity, having an effect on the magnetic susceptibility of YBa2Cu3O7-{\delta}thin films. The proposed theoretical mechanism on the oxygen and its vacanciesdiffusion in YBa2Cu3O7-{\delta} superconducting thin films near to the centersof Abricosov magnetic vortices cores at the action of the superconductingelectron pair potential gradient explains the observed physical properties.

Features of oxygen and its vacancies diffusion in YBa2Cu3O7-{\delta} thin films near to magnetic quantum lines