Ac susceptibility studies of a superconducting gallium nanocomposite: Crossover in the upper critical field line and activation barriers

M. K. Lee, E. V. Charnaya, Cheng Tien, L. J. Chang, Yu. A. Kumzerov
  • Journal of Applied Physics, January 2013, American Institute of Physics
  • DOI: 10.1063/1.4795789