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Metals near a magnetic instability |
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| Authors: | H v Löhneysen C Pfleiderer A Schröder O Stockert |
| Institution: | 1. Physikalisches Institut, Universit?t Karlsruhe, D-76128, Karlsruhe, Germany 2. Forschungszentrum Karlsruhe, Institut für Festk?rperphysik, D-76021, Karlsruhe, Germany 3. Department of Physics, Kent State University, 44242, Kent, Ohio, USA 4. Max-Planck-Institut für chemische Physik fester Stoffe, D-01187, Dresden, Germany |
| Abstract: | Zero-temperature magnetic phase transitions exhibit an abundance of nearly critical magnetic fluctuations that allow to probe the traditional concepts of the metallic state. For the prototypical heavy-fermion compound, CeCu6−x Au x , a breakdown of the Fermi-liquid properties may be tuned by Au concentration, hydrostatic pressure, or magnetic field. The d-electron weak itinerant ferromagnet ZrZn2, on the other hand, was recently found to display superconductivity in coexistence with ferromagnetism. |
| Keywords: | Heavy fermion systems ferromagnetism superconductivity |
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