Origin of the Giant Negative Thermal Expansion in Mn3(Cu0.5Ge0.5)N

The giant negative thermal expansion in the Ge-doped antiperovskite Mn3CuN compound is theoretically studied by using the first principles calculations. We propose that such a negative thermal expansion property is essentially attributed to the magnetic phase transition, rather than to the lattice v...

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Bibliographic Details
Main Authors: B. Y. Qu, H. Y. He, B. C. Pan
Format: Article
Language:English
Published: Hindawi Limited 2012-01-01
Series:Advances in Condensed Matter Physics
Online Access:http://dx.doi.org/10.1155/2012/913168