Vortex lattice of the heavy fermion superconductor CeCu2Si2
The first heavy-fermion superconductor CeCu2Si2 was discovered in 1979. Even after extensive transport and thermodynamic studies the mechanism and the symmetry of its superconducting order parameter are still under debate. We have successfully observed the vortex lattice in this material (Experiment 5-42-404), and shown clearly that this material is Pauli-limited. We are asking for additional time to complete our data collection and to extend to the study of a sample showing both antiferromagnetic and superconductivity at the same time.
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BLACKBURN Elizabeth; CAMPILLO Emma; CUBITT Robert; FORGAN Edward M.; Alexander T Holmes; HUESGES Zita; JELLYMAN Erik; RIYAT Randeep and STOCKERT Oliver. (2018). Vortex lattice of the heavy fermion superconductor CeCu2Si2. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-42-463
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