Answers are grounded in this paper and cite their sources.
There are only a few studies on the FIR transmission of tartrates. However, they lead to interesting problems related to surface layers, phase transitions, and soft mode. New results will precise these views on Rochelle Salt and also give the FIR spectra of sodium-ammonium tartrate.
No takes yet. Share an insight, caveat, or question.
Gerbaux et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: