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Systematic and controllable negative, zero, and positive thermal expansion in cubic Zr1–xSnxMo2O8.

Tallentire, S.E. and Child, F. and Fall, I. and Vella-Zarb, L. and Evans, I.R. and Tucker, M.G . and Keen, D.A. and Wilson, C. and Evans, J.S.O. (2013) 'Systematic and controllable negative, zero, and positive thermal expansion in cubic Zr1–xSnxMo2O8.', Journal of the American Chemical Society., 135 (34). pp. 12849-12856.


We describe the synthesis and characterization of a family of materials, Zr1–xSnxMo2O8 (0 < x < 1), whose isotropic thermal expansion coefficient can be systematically varied from negative to zero to positive values. These materials allow tunable expansion in a single phase as opposed to using a composite system. Linear thermal expansion coefficients, αl, ranging from −7.9(2) × 10–6 to +5.9(2) × 10–6 K–1 (12–500 K) can be achieved across the series; contraction and expansion limits are of the same order of magnitude as the expansion of typical ceramics. We also report the various structures and thermal expansion of “cubic” SnMo2O8, and we use time- and temperature-dependent diffraction studies to describe a series of phase transitions between different ordered and disordered states of this material.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Publisher statement:This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of the American Chemical Society, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see
Date accepted:No date available
Date deposited:28 January 2015
Date of first online publication:August 2013
Date first made open access:No date available

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