TY - JOUR
T1 - Improvement in the current density and cristallinity of superconducting YBCO single crystal by o+ ion implantation
AU - Nan, Hai Yu
AU - Yao, X.
AU - Murakami, Masato
AU - Tanaka, Shoji
N1 - Funding Information:
This work was supported by NEDO for the R&D of Industrial Science and Technology Frontier Program. We would like to thank Dr. K. Sekine for enabling us to use the ion implantation apparatus.
PY - 1997/8
Y1 - 1997/8
N2 - Critical current densities of YBCO single crystal have been improved with ion implantation. The sample was implanted with 120keV, 1.4×1016 O+ ions/cm2, which made the surface layer amorphous. After ion implantation the sample was re-annealed at 500°C for 80h and then cooled at a rate of 0.82°C/min in flowing O2 gas. The critical current density of single crystal YBCO sample increased by about 100% as a result of ion implantation and the crystallinity almost perfectly recovered as it was befor ion implantation by post annealing and exhibited Tc of 90K.
AB - Critical current densities of YBCO single crystal have been improved with ion implantation. The sample was implanted with 120keV, 1.4×1016 O+ ions/cm2, which made the surface layer amorphous. After ion implantation the sample was re-annealed at 500°C for 80h and then cooled at a rate of 0.82°C/min in flowing O2 gas. The critical current density of single crystal YBCO sample increased by about 100% as a result of ion implantation and the crystallinity almost perfectly recovered as it was befor ion implantation by post annealing and exhibited Tc of 90K.
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U2 - 10.1016/s0921-4534(97)00611-4
DO - 10.1016/s0921-4534(97)00611-4
M3 - Article
AN - SCOPUS:0031211622
SN - 0921-4534
VL - 282-287
SP - 1043
EP - 1044
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
IS - PART 2
ER -