27 citations · 48 across the 8 of their papers we have counts for
8 papers
Magnetic and transport properties of electron-doped superconducting thin films: Pairing symmetry, pinning and spin fluctuations
S. Sergeenkov, A. J. C. Lanfredi, F. M. Araujo-Moreira
In this Chapter we review our latest results on magnetic (AC susceptibility) and transport (resistivity) properties of Pr1.85Ce0.15CuO4 (PCCO) and Sm1.85Ce0.15CuO4 (SCCO) thin film…
Possible manifestation of spin fluctuations in the temperature behavior of resistivity in Sm_{1.85}Ce_{0.15}CuO_4 thin films
S. Sergeenkov, A. J. C. Lanfredi, F. M. Araujo-Moreira
A pronounced step-like (kink) behavior in the temperature dependence of resistivity is observed in the optimally-doped thin films around $T_{sf}=87…
Irreversibility line and low-field grain-boundary pinning in electron-doped superconducting thin films
S. Sergeenkov, A. J. C. Lanfredi, F. M. Araujo-Moreira
AC magnetic susceptibilities of electron-doped Pr_{1.85}Ce_{0.15}CuO_4 (PCCO) and Sm_{1.85}Ce_{0.15}CuO_4 (SCCO) granular thin films have been measured as a function of temperature…
Influence of structural disorder on low-temperature behavior of penetration depth in electron-doped high-T_C thin films
A. J. C. Lanfredi, S. Sergeenkov, F. M. Araujo-Moreira
To probe the influence of structural disorder on low-temperature behavior of magnetic penetration depth in electron-doped high-T_C superconductors, a comparative study of high-qual…
Probing pairing symmetry of Sm_{1.85}Ce_{0.15}CuO_4 via highly-sensitive voltage measurements: Evidence for strong impurity scattering
A. J. C. Lanfredi, S. Sergeenkov, F. M. Araujo-Moreira
Using a highly-sensitive home-made mutual-inductance technique, temperature profiles of the magnetic penetration depth in the optimally-doped thin…
Elastic properties of polycrystalline YBa_2Cu_3O_7: Evidence for granularity induced martensitic behavior
C. Stari, A. Moreno-Gobbi, A. W. Mombru +4
In this work we present the study of the elastic properties of polycrystalline samples of superconducting YBa_2Cu_3O_7 prepared by the sol-gel method. The quality of all samples wa…