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|Type:||Artigo de periódico|
|Title:||Microwave Absorption Study In The Ferromagnetic Superconductor Gd1.4ce0.6rusr2cu2o10-δ|
|Abstract:||We have performed microwave absorption (MWA) and ferromagnetic resonance measurements (FMR) in Gd1.4Ce0.6RuSr2Cu2O10-δ polycrystalline samples between 300 and 8 K. Below the magnetic ordering temperature (Tm, ≈ 89 K) a MWA is observed due to the appearance of weak ferromagnetism (WFMWA). The intensity of the WFMWA decreases as T approaches the superconducting (SC) state at Tc ≈ 45 K. For T ≤ Tc, a new and much stronger MWA (SCMWA) is found. This SCMWA may be associated to Josephson intergrain and to viscose dynamic dissipation of intragrain Abrikosov vortex in the SC state.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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