Li Liu, Jie Liu, Jian Zeng, Peng-Fei Zhai, Sheng-Xia Zhang, Li-Jun Xu, Pei-Pei Hu, Zong-Zhen Li, Wen-Si Ai. Effect of swift heavy ions irradiation on the microstructure and current-carrying capability in YBa2Cu3O7-δ high temperature superconductor films [J]. Acta Physica Sinica, 2020, 69(7): 077401-1
- Acta Physica Sinica
- Vol. 69, Issue 7, 077401-1 (2020)
Fig. 1. AC susceptibility versus temperature of YBCO high temperature superconductor films irradiated with different fluences.
Fig. 2. (a) Field dependence of critical current density at 77 K after Ta ions irradiation; (b) The variance of pinning force at 77 K with increasing fluence.
Fig. 3. Scaling behavior of normalized pinning force curves for YBCO films before and after irradiation and fit curves.
Fig. 4. The nuclear and electronic energy loss in YBCO superconductor under Ta ions irradiation.
Fig. 5. TEM images of 1.9 GeV Ta ions-irradiated YBCO high temperature superconductor film with the fluence of 1.0 × 1011 ions/cm2: (a) Low-resolution TEM image; (b) high-resolution TEM image of latent track.
Fig. 6. (a) Micro-Raman spectra of YBCO high temperature superconductor films between pristine sample and samples irradiated with 1.9 GeV Ta ions; (b) variations in the position of O(2, 3)-B1g and O(4)-Ag peaks with different fluences.
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Table 1.
Fitting functions of scaling behavior of normalized pinning force.
钉扎力密度标度函数
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