- PII
- 10.31857/S0044451024060099-1
- DOI
- 10.31857/S0044451024060099
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 165 / Issue number 6
- Pages
- 827-832
- Abstract
- Systematic studies of 2G HTS wires irradiated by high-energy 167 MeV Xe ions and fluences up to 1·1012 cm−2 have been carried out. The optimal fluence value (the number of particles passing through 1 cm2 of the sample surface) for obtaining the maximum critical current at different temperatures and external magnetic fields has been determined. An increase in the external magnetic field leads to a shift of the critical current peak towards higher fluences in the whole temperature range. The results of microstructural investigations by transmission electron microscopy and X-ray diffraction methods are given. It is shown that because of irradiation ion tracks with a diameter of about 5-8 nm are formed, acting as effective pinning centers. X-ray diffraction analysis indicates a decrease in texture sharpness under the influence of irradiation.
- Keywords
- high temperature superconductor critical current irradiation fiuence critical temperature microstructure of HTS ion tracks morphology of HTS
- Date of publication
- 15.06.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 112
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