Abstract
In this work we present and discuss the nanopatterning of rutileTiO2 single crystal surfaces following their irradiation with energetic heavy ions through a stencilmask of Ni filled self-ordered porous anodic alumina. After etching in HF a corrugatedsurface morphology is obtained composed of parallel alternate furrows and ridges (ornanobars) 50 nm in diameter and with 100 nm pitch. In addition, isolated, but collapsed,TiO2 nanorods are seen lying on the patterned surface. The stability of the nanopatternedsurface under high temperatures treatments and crystalline properties are analyzed.
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