Surface modification of yttria-stabilized-zirconia thin films under various oxygen partial pressures

Surface changes of yttria‐stabilized zirconia in water and Hanks solution characterized using XPS

“…The obtained spectra of all the specimens were typical of the YSZ cubic phase and not the YSZ monoclinic phase . This indicates that the transformation into the monoclinic phase does not occur in the early stages of the reaction, although it has been reported that 20% of the tetragonal phase of YSZ transforms into the monoclinic phase in 37°C water in 25 y, and the amount of oxygen in YSZ changes the valence band . In this study, we revealed that the crystalline phase of YSZ remains the same during the initial stage of reaction in a physiological environment, during which the OH − and phosphate concentrations increase on the surface of YSZ.…”

Surface Electronic Structure of Proton-doped YSZ Thin Film by Soft-X-ray Photoemission Spectroscopy

“…These spectral shapes of the thin films are similar to those of YSZ ceramics and thin film reported in refs. [15][16][17]. The bandwidth of the valence band does not be affected by H2O annealing since the change of lattice constant with H2Oannealing is small.…”

Room temperature fabrication of highly proton conductive amorphous zirconia-based thin films achieved through precise nanostructure control

“…, Zr–O–Zr and/or Zr–O–Y). Although Bae et al suggested that the structures that appeared at the high binding energy side are related to Y(Zr) 2− x O 3+ x , 56 the details were not addressed in this study. Such peak broadening with respect to P O 2 was observed in YSZ thin films prepared by PLD using a KrF excimer laser.…”

“…These are typical spectral shapes due to spin–orbit splitting. 56–62 A main peak observed at ∼530 eV in the O 1s spectra corresponds to the Zr(Y)–O bonds. One important thing to consider is that the spectra in all the elements broaden as P O 2 increases.…”