Conformational Properties of Polymers Near a Fractal Surface

The conformational properties of flexible polymer macromolecules grafted to an attractive partially penetrable surface with fractal dimension dpcs=91/49 are studied. Employing computer simulations based on the prunedenriched Rosenbluth chain-growth method, estimates for the surface crossover exponent and adsorption transition temperature are found. Our results quantitatively reveal the slowing down of the adsorption process caused by the fractal self-similar structure of the underlying substrate.