Room-temperature annealing effects on the basal-plane resistivity of optimally doped YBa${}_2$Cu${}_3$O${}_{7-\delta }$ single crystals

G. Ya. Khadzhai, R. V. Vovk, N. R. Vovk +2

We reveal that the temperature dependence of the basal-plane normal-state electrical resistance of optimally doped YBa${}_2$Cu${}_3$O${}_{7-\delta }$ single crystals can be with great accuracy…