Magnetic properties of the superconducting compound Mn5SnGa6
Alekseevskii N.E., Bazan Ch., Dobrovol'skii N.M., Tsebro V.I.
It is shown that the investigated system has a phase diagram that differs from usual type-II superconductors in that strong paramagnetism (ferromagnetism) coexists with superconductivity in a definite range of fields and temperatures.