Dopants adsorbed as single atoms prevent degradation of catalysts.

@article{Wang2004DopantsAA,
  title={Dopants adsorbed as single atoms prevent degradation of catalysts.},
  author={Sanwu Wang and Albina Y Borisevich and Sergey N Rashkeev and Michael V. Glazoff and Karl Sohlberg and S. John Pennycook and Sokrates T. Pantelides},
  journal={Nature materials},
  year={2004},
  volume={3 3},
  pages={143-6}
}
The design of catalysts with desired chemical and thermal properties is viewed as a grand challenge for scientists and engineers. For operation at high temperatures, stability against structural transformations is a key requirement. Although doping has been found to impede degradation, the lack of atomistic understanding of the pertinent mechanism has hindered optimization. For example, porous gamma-Al(2)O(3), a widely used catalyst and catalytic support, transforms to non-porous alpha-Al(2)O(3… CONTINUE READING
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