Nov. 15, 2011
NewsScientific News

A Material that Shrinks

They shrink when you heat 'em. Most materials expand when heated, but a few contract. Now engineers at the California Institute of Technology (Caltech) have figured out how one of these curious materials, scandium trifluoride (ScF3), does the trick-a finding, they say, that will lead to a deeper understanding of all kinds of materials.

Read more on this shrinking material within the original publication:
Chen W. Li, Xiaoli Tang, J. A. Muñoz, J. B. Keith, S. J. Tracy, D. L. Abernathy, and B. Fultz: Structural Relationship between Negative Thermal Expansion and Quartic Anharmonicity of Cubic ScF3. Phys. Rev. Lett. 107, 195504 (2011)

or at
http://media.caltech.edu/

 

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