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Science 23 May 2003:
Vol. 300. no. 5623, pp. 1244 - 1245
DOI: 10.1126/science.1085577
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Perspectives

MATERIALS SCIENCE:
Nanocrystals Get Twins

Jørgen B. Bilde-Sørensen and Jakob Schiøtz

In their Perspective, Bilde-Sørensen and Schiøtz highlight the report by Chen et al., whose experimental study on the deformation behavior of nanocrystalline aluminum corroborates recent simulations. The study illustrates how the combination of computer simulations and experiment can yield important advances in understanding the atomic-scale properties of materials. As the scale and accuracy of simulations increase, they will be increasingly used to test new materials in "virtual laboratories."

J. B. Bilde-Sørensen is in the Materials Research Department, Risø National Laboratory, DK-4000 Roskilde, Denmark. E-mail: j.bilde{at}risoe.dk J. Schiøtz is in the Department of Physics, Technical University of Denmark, DK-2800 Lyngby, Denmark. E-mail: schiotz{at}fysik.dtu.dk

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Science. ISSN 0036-8075 (print), 1095-9203 (online)