Pressure effect onT c and resistivity: Localization in YBa2Cu3O x oxides

Pressure dependence ofTcand charge transfer inYBa2Almasan1, Han2, Lee3 et al. 1992Phys. Rev. Lett.1315580View full textAdd to dashboardCite

“…1 depicts the linear increase of T c with pressure at a rate dTjdP =0.45 ±0.01 K/kbar for an oxygen-deficient crystal with JC-6.6. This value is comparable to the values reported by other groups for oxygen-deficient polycrystalline samples [7,8]. The vertical bars indicate the transition width.…”

Accessing the entire overdoped regime in pristine YBa2Cu3O6+x by application of pressure

“…11 kbar and B 0 = 4.8 ± 0.2 to B 0 = 1500 kbar and B 0 = 4, obtained for x = 0.95 [50] and x = 1 [51], respectively. Starting with an assumption of parabolic dependence of the superconducting temperature as a function of hole doping up to n h = 0.22 similar to previous work [45], we apply relations (1) and (2) (see Supplemental Material [52] for further details of the calculation) to yield the dependence of the superconducting temperature as a function of n h at higher dopings.…”

The effect of chemical doping and hydrostatic pressure on Tc of Y1−yCayBa2Cu3Ox single crystals

“…A lot of experiments have been performed to determine dT c /dp of doped Y123 compounds [19,21,35,37,43,47,49,58,[64][65][66][67][68][69][70][71]. In the beginning of these investigations the results from different groups showed large scatter.…”