Bw. Kang et al., MINIMIZATION OF DETRIMENTAL EFFECT OF AIR IN HGBA2CACU2O6-FILM PROCESSING(DELTA THIN), Applied physics letters, 72(14), 1998, pp. 1766-1768
We have studied the effects of halogenizing HgBa2CaCu2O6+delta (Hg-121
2) thin films and have found that the addition of chlorine/fluorine si
gnificantly enhances (1) the reproducibility and stability of Hg-1212
thin films, (2) the phase purity of Hg-1212 to over 90%, and (3) the m
agnetic critical current density (J(c,mag)) both at zero field and in-
field. A possible mechanism of preventing contamination of precursor m
aterials by chlorine/fluorine doping is proposed. (C) 1998 American In
stitute of Physics. [S0003-6951(98)02814-9].