Detailed Refractive Index Measurement near Melting in a Plastic Crystal: Succinonitrile
- 1 November 1976
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals
- Vol. 35 (1) , 27-32
- https://doi.org/10.1080/15421407608084309
Abstract
An interferometric measurement of the temperature derivative of the refractive index in succinonitrile is reported over a temperature range (30[ddot]C → 66[ddot]C) that includes melting. In pure material the behavior is clearly that of a first-order transition both on heating and on cooling. In impure material premelting effects are seen below fusion. In all cases appreciable supercooling can be observed.Keywords
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