Anomalous Magnetic Behavior in RuSr2(Gd2−x Ce x )Cu2O10 |
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| Authors: | Koji Yoshida Hiroki Kojima Hajime Shimizu Takashi Suzuki Toshizo Fujita |
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| Affiliation: | (1) Tokyo University of Science, Yamaguchi, Onoda, 756-0884, Japan;(2) Hiroshima University, Higashi-Hiroshima, 739-8526, Japan |
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| Abstract: | We studied the magnetic properties of RuSr2(Gd2–xCex)Cu2O10. In the temperature dependence of magnetic susceptibility, we observed a ferromagnetic increase and an anomalous oscillating behavior below TM. In ESR measurements, we observed a single magnetic resonance signal from Ru ions and a similar wavy structure in its resonance field below TM. These magnetic phenomena possibly originate from an intrinsic Ru-spin motion. |
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