Schematic of the deposition configuration and the shadowing effect.
Structural evolution of YBCO thin films in three pressure ranges. On the left side of the line at , nearly no droplets could be observed.
YBCO nanorods grown on fixed substrates with laser fluence of and : (a) top-view and (b) cross-section SEM images of a sample prepared in oxygen; (c) top-view SEM image of and (d) AFM image of a sample prepared in oxygen. The gray scale range is .
Top-view and cross-section SEM images of three YBCO nanocolumnar films grown in oxygen with laser fluence of and [(a) and (b)] , substrate rotation speed of ; (c) , no substrate rotation; (d) , no substrate rotation.
SEM (a) top-view and (b) cross-section images of fractal film of YBCO nanoparticles grown in oxygen with , substrate rotation speed of , and laser fluence of . The inset is an amplified part.
TEM image of the nanoparticles. The inset is the diffraction pattern.
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