High-Tc superconducting phase in the Fe1-xS system
Petrakovskii G. A., Loseva G. V., Kiselev N. I., Ovchinnikov S. G., Ivanova N. B., Chernov V. K.
A decrease in the resistivity of Fe, _ x S has been observed at a temperature of 110 K. Decreases in the magnetic moment and susceptibility have been observed at 128 K. These decreases indicate the appearance of a superconducting phase with Tc = 128 K.