2 papers
cond-mat.supr-con2004
Weak links and phase slip centers in superconducting MgB2 wires
Maya Bar-Sadan, Gregory Leitus, Shimon Reich
MgB2 superconducting wires were produced by the Mg diffusion method. Scanning electron microscopy (SEM), optical microscopy, dispersive x-ray analysis (EDS) and XRD diffraction wer…
cond-mat.supr-con2002
Magnetization of small lead particles
S. Reich, G. Leitus, R. Popovitz-Biro +1
The magnetization of an ensemble of isolated lead grains of sizes ranging from below 6 nm to 1000 nm is measured. A sharp disappearance of Meissner effect with lowering of the grai…