3 MeV proton irradiation at optimal dose of 1×10^16/cm² raises self-field Jc in Hg1223 crystals from 5.5 to 26 MA/cm² at 2 K and keeps it above 0.1 MA/cm² at 77 K, accompanied by a shift in pinning mechanism.
A route for a strong increase of critical current in nanostrained iron- based superconductors.Nature Communications7, 13036 (2016)
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Enhancement of $J$$_c$ by Proton Irradiation in HgBa$_2$Ca$_2$Cu$_3$O$_8$$_+$$_\delta$ Single Crystals
3 MeV proton irradiation at optimal dose of 1×10^16/cm² raises self-field Jc in Hg1223 crystals from 5.5 to 26 MA/cm² at 2 K and keeps it above 0.1 MA/cm² at 77 K, accompanied by a shift in pinning mechanism.