0134489 - FZU-D 20030389 RIV US eng J - Journal Article
Muralidhar, M. - Sakai, N. - Jirsa, Miloš - Koshizuka, N. - Murakami, M.
Vortex pinning by mesoscopic defects. A way to levitation at liquid oxygen temperature.
Applied Physics Letters. Roč. 83, č. 24 (2003), s. 5005-5007. ISSN 0003-6951. E-ISSN 1077-3118
Institutional research plan: CEZ:AV0Z1010914
Keywords : vortex pinning * mesoscopic defects * levitation * (Nd,Eu,Gd)BaCuO_y * liquid oxygen
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 4.049, year: 2003

The addition of long-term Zr₂O₃-ball milled Gd₂BaCuO₅ particles to a standard (Nd,Eu,Gd)Ba₂Cu₃O_y superconductor led to a spontaneous formation of extremly small (20-50nm) Zr-rich (Nd,Eu,Gd)-Ba-Cu-O particles during the melt-hrowth process. This new pinning medium , approaching the interesting physical limit of point-like pins pins,resulted in magnetic levitation with liquid oxygen as a coolant.
Permanent Link: http://hdl.handle.net/11104/0032390