Channeling of 7.6 MeV He in YBCO

The structural features of the oxygen sublattice in the YBa 2 Cu 3 O 7 crystals are analyzed based on a comparison of the calculated angular dependence of the yield of resonant nuclear reaction 16 O(α, α) 16 O with the available experimental results obtained for ions with energies of 3.055, 3.06, and 7.6 MeV. It is established that in crystal films there are vacancies in oxygen chains at room temperature, and oxygen atoms are considerably displaced from the equilibrium positions in directions perpendicular to the <001> axis. In thick crystals at temperatures close to the temperature of phase transition into the superconducting state, no large thermal and/or static displacements of oxygen atoms from the equilibrium positions are observed.

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Investigation of the structural features of high-temperature superconducting crystals by the method of channelization and resonant nuclear reactions

Malyshevskii

Rakhimov

2006

Russ Phys J

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Defect structure of oxygen-vacancy clusters in O18 and self ion implanted Fe(100) crystal by ion channeling and ab-initio study

et al. 2018

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Oxygen trapping in defect clusters in Fe and FeCr alloy by ion channeling and ab-initio study

Vairavel

Gnanasekaran

Chelladurai

et al. 2020

Journal of Nuclear Materials

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Channeling of 7.6 MeV He in YBCO

Cited by 3 publications

References 6 publications

Investigation of the structural features of high-temperature superconducting crystals by the method of channelization and resonant nuclear reactions

Investigation of the structural features of high-temperature superconducting crystals by the method of channelization and resonant nuclear reactions

Defect structure of oxygen-vacancy clusters in O18 and self ion implanted Fe(100) crystal by ion channeling and ab-initio study

Oxygen trapping in defect clusters in Fe and FeCr alloy by ion channeling and ab-initio study

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