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Isovalent Substitution and Heat Treatments Control of Tc, Chain Oxygen Disorder and Structural Phase Transition in High Tc Superconductors (Y1-xNdx)SrBaCu3O6+z

Morghi, R.; Nafidi, Abdelhakim; Aboulkassim, Abdeljabar; Chaib, H.; Charafi, H.; Ait Taleb, T.; Marí Soucase, Bernabé; Mollar García, Miguel Alfonso; Hartiti, B.; Chander Singh, K.; Khallouq, K. (Springer Verlag (Germany), 2012-11)

We report here on the preparation, X-ray diffraction with Rietveld refinement, AC magnetic susceptibility measurements and effect of heat treatments in (Y1−xNdx )SrBaCu3O6+z. Each sample was subject to two types ...
Remarkable influence of heat treatment on AC irreversibility line and flux pinning properties in (Y1-xEux)SrBaCu3O6+z

Morghi, Redwane; Nafidi, Abdelhakim; Aboulkassim, Abdeljabar; Khallouq, Kaltoum; Chaib, Hassan; Khalal, Ali; Tirbiyine, Ahmed; Taoufik, Ahmed; Marí, B.; Mollar Garcia, Miguel Alfonso; Singh, Krishan Chander (INOE Publishing House, 2013-11)

Polycrystalline samples (Y1-xEux)SrBaCu3O6+z have been synthesized by solid state reaction method with two distinguished heat treatment. The irreversibility line and flux pinning proprieties (pinning force density) has ...

Mostrando ítems 1-2 de 2