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Author (up) Haberkorn, N.; Correa, V.F. url  doi
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  Title Effect of low-temperature thermal annealing on the vortex dynamics of metastable β-Bi2Pd single crystals Type Journal Article
  Year 2022 Publication Physica C: Superconductivity and its Applications Abbreviated Journal Physica C  
  Volume 598 Issue Pages 1354051  
  Keywords  
  Abstract We study the vortex dynamics on β-Bi2Pd single crystals with a superconducting critical temperature of 5.1 K. The upper critical fields and magnetic penetration depth are determined from magnetization measurements. At low temperatures, the self-field critical current density (Jc) is ≈ 20 kA/cm2. The vortex pinning energy, extracted from an Anderson-Kim approximation, is between 340 K and 140 K for fields between 100 G and 600 G. Differential scanning calorimetric measurements show that the crystals start to transform into the alpha-phase at temperatures as low as 60 °C. Short annealing at 100 °C modifies the pinning landscape increasing Jc mainly at temperatures below 3 K. The angular dependence of Jc from electrical transport experiments shows a broad peak when the magnetic field is parallel to the crystallographic c-axis, indicating the presence of correlated disorder.  
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  Call Number BT @ victor.correa @ Serial 881  
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