Superconductivity up to 164 K in HgBa 2 Ca m − 1 Cu m O 2 m + 2 + δ ( m =1, 2, and 3) under quasihydrostatic pressures

The superconducting transition temperatures (${\mathit{T}}_{\mathit{c}}$'s) of optimally doped ${\mathrm{HgBa}}_{2}$${\mathrm{Ca}}_{\mathit{m}\mathrm{\ensuremath{-}}1}$${\mathrm{Cu}}_{\mathit{m}}$${\mathrm{O}}_{2\mathit{m}+2+\mathrm{\ensuremath{\delta}}}$ (Hg 1:2:m-1:m) with m=1, 2, and 3 and ${\mat... View More