Navegação Ciências Exatas e da Terra por Autor "Dias, Fabio Teixeira"
Resultados 1-3 de 3
-
Correlation between the magnetic irreversibility limit and the zero resistance point in different granular YBa/sub 2/Cu/sub 3/O/sub 7-σ superconductors
Dias, Fabio Teixeira; Vieira, Valdemar das Neves; Rodrigues Junior, Pedro; Obradors, Xavier; Pureur Neto, Paulo; Schaf, Jacob (2008) [Artigo de periódico]We report on magnetization and magnetoresistance measurements of single-crystal, melt-processed, and polycrystalline YBa2Cu3O7− samples with the purpose of disclosing the connection between the magnetic irreversibility ... -
Effects of Ca and Sr chemical doping on the average superconducting kinetic energy of YBa2Cu3O7-δ
Vieira, Valdemar das Neves; Mendonça, A.P.A.; Dias, Fabio Teixeira; Hneda, Marlon Luiz; Pureur Neto, Paulo; Schaf, Jacob; Mesquita, Fabiano (2015) [Artigo de periódico]In this brief communication we applied the MZFC(T) and MFCC(T) reversible dc magnetizations to get the average superconducting kinetic energy density, kS(T,B) of YBa2Cu3O7-d, Y0.95Ca0.05Ba2Cu3O7-d and YBa1.75Sr0.25Cu3O7-d ... -
Paramagnetic effect at low and high magnetic fields in melt-textured YBa/sub 2/Cu/sub 3/O/sub 7-[delta]/
Dias, Fabio Teixeira; Pureur Neto, Paulo; Rodrigues Junior, Pedro; Obradors, Xavier (2004) [Artigo de periódico]We report on systematic field-cooled magnetization experiments in five different melt-textured YBa2Cu3O7 samples containing large amounts of Y2BaCuO5 precipitates. These composites were grown with the Bridgman or top-seeding ...