Abstract

A new inorganic malate salt NaL-Malic acid has been synthesized. Elemental analysis suggests that the compound has the empirical formula NaC4H5O5. This compound is presumed to be analogous to tartrate salts, which have interesting nonlinear optical and ferroelectric properties. The extensively investigated Rochelle salt is a salt of sodium and potassium with tartaric acid and has interesting ferroelectric properties. Preliminary thermal and dielectric measurements of the NaL-Malic acid salt show the existence of three reversible phase transitions located approximately at the following temperatures 310 K, 325 K and 360 K. The lattice parameters for the crystal structure at room temperature, obtained from X-ray powder diffraction, are also reported.

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