Excess of Eu in the(Nd.sub.0.33./sub.Eu.sub.0.33+x./sub.Gd.sub.0.33-x./sub.)Ba.sub.2./sub.Cu.sub.3./sub.O.sub.y./sub. system: the way to a high irreversibility field at 77 K

0133910 - FZU-D 20020194 RIV GB eng J - Článek v odborném periodiku
Muralidhar, M. - Sakai, N. - Wu, Y. - Murakami, M. - Jirsa, Miloš - Nishizaki, T. - Kobayashi, N.
Excess of Eu in the(Nd_0.33Eu_0.33+xGd_0.33-x)Ba₂Cu₃O_y system: the way to a high irreversibility field at 77 K.
Superconductor Science and Technology. Roč. 15, - (2002), s. 1357-1363. ISSN 0953-2048. E-ISSN 1361-6668
Grant CEP: GA AV ČR IAA1010919
Výzkumný záměr: CEZ:AV0Z1010914
Klíčová slova: melt-textured superconductors * (Nd, Eu, Gd)Ba₂Cu₃O_y * secondary phase particles * pinning defects * irreversibility field
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 2.138, rok: 2002

We fabricated (Nd_0.33Eu_0.33+xGd_0.33-x)Ba₂Cu₃O_y bulk superconductors with x=0.05, 0.07 and 0.1, with the addition of 0.5 and 10 mol% of (Nd_0.33Eu_0.33Gd_0.33)₂BaCuO₅ secondary phase particles. The magnetization loops of all the samples measured with a SQUID were open at 7T at 77K for H//c.
Trvalý link: http://hdl.handle.net/11104/0031859