Effect of ${\rm BaZrO}_{3}$ Dopants in (110)-Oriented ${\rm YBa}_{2}{\rm Cu}_{3}{\rm O}_{6+x}$

Superconducting YBa₂Cu₃O_6+x (YBCO) films are grown by pulsed laser deposition (PLD) in the orientation where its c-axis is lying in the plane of the film using (110) oriented SrTiO₃ (STO) substrates with PrBCO template layer. By optimization of deposition temperature and rate the easily formed (103) orientation was avoided to get smooth and completely (110) oriented YBCO films. To improve the superconducting properties, we have also optimized the BaZrO₃ (BZO)-doping in the (110) YBCO films. This gives the possibility to apply the current along the YBCO CuO₂ planes where the critical current is much higher in thin film multilayers or to investigate the anisotropy and the effect of BZO pinning structure in different film orientations.