Acta Physica Polonica B

Vol. 34, No. 2, February 2003, page 475

Anomalous Pressure Response of Magnetic Properties in RuSr2GdCu2O8

G. Oomi, I. Minamitake, F. Honda, M. Kosaka, N. Mori, Do P. Hai, S. Kamizawa, K. Kadowaki

Electrical resistance and magnetization of RuSr2GdCu2O8 have been measured at high pressure in order to clarify the interplay between the magnetic ordering and superconductivity. It is found that the magnetic ordering temperature (Tm) and the superconducting transition temperature (T C) increase with increasing pressure. These results imply that the superconductivity coexists with magnetic ordering at least up to 2.1 GPa.

PACS numbers: 74.67.Pq, 75.50.Ee, 74.62.Fj

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