Abstract
AbstractThe nature of negative thermal expansion in the layer plane of the layered semiconductor TlGaSe2 has been investigated. It is shown that, in contrast to other crystals with a layered structure in which negative linear expansion is observed, the nature of the negative thermal expansion in TlGaSe2 crystals is due to the large Poisson contraction. The possible explanation of such an effect is discussed. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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