Separation of Charge Instability and Lattice Symmetry Breaking in an Organic Ferroelectric

Ryosuke Takehara, Keishi Sunam, Fumitatsu Iwase +5

We investigate the charge and lattice states in a quasi-one-dimensional organic ferroelectric material, TTF-QCl${}_4$, under pressures of up to 35 kbar by nuclear quadrupole resona…