Letter | Published:

Phase Boundary Scattering in the Study of Thermodynamic Transitions in Solids

Naturevolume 212pages7071 (1966) | Download Citation



VARIOUS physical properties have been used to study the sharpness of phase transitions in solids. For transitions that are thermodynamically discontinuous, pretransition effects above and below the transition temperature, Tc, can sometimes be detected by means of special properties which are particularly sensitive to structural defects or to anomalous changes of structure with temperature1. For the study of lambda transitions which are thermodynamically continuous—at least in a formal geometrical sense—a considerable diversity of properties has, however, been successfully used in the anomalous region above and below the transformation peak temperature Tc.

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    Ubbelohde, A. R., Melting and Crystal Structure (Oxford University Press, 1965).

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    Nixon, D. E., Parry, G. S., and Ubbelohde, A. R., Proc. Roy. Soc., A, 291 324 (1966).

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    Ubbelohde, A. R., Disc. Farad. Soc., 5 (1950).

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    Ubbelohde, A. R., J. Chim. Phys., 63, 33 (1966).

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    Ubbelohde, A. R., Z. Phys. Chem., 37, 183 (1963).

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  1. Department of Chemical Engineering and Chemical Technology, Imperial College of Science and Technology, London, S.W.7.



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