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Scientific article
English

Optical, x-ray and DSC measurements on N(CH3)4HSO4

Published inFerroelectrics, vol. 105, p. 183-188
Publication date1990
Abstract

X-ray diffraction measurements on single crystals of N(CH3)4HSO4 have shown the following sequence of phases: orthorhombic, normal .tautm. Ti = 235K .tautm. orthorhombic, incommensurate .tautm. Tc = 202K .tautm. monoclinic, commensurate. DSC and birefringence measurements show a second order phase transition at Ti and a first order one at Tc.

Keywords
  • Birefringence (in tetramethylammonium acid sulfate crystals)
Citation (ISO format)
RIVERA, Jean-Pierre et al. Optical, x-ray and DSC measurements on N(CH<sub>3</sub>)<sub>4</sub>HSO<sub>4</sub>. In: Ferroelectrics, 1990, vol. 105, p. 183–188. doi: 10.1080/00150199008224639
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ISSN of the journal0015-0193
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