Magnetic-field-induced molecular alignment in an achiral liquid crystal spin-labeled by a nitroxyl group in the mesogen core

Here we show magnetic-field-induced molecular alignment in the achiral nematic and smectic C phases of an all-organic radical compound (1) by variable-temperature electron paramagnetic resonance (EPR) spectroscopy at a magnetic field of 0.33 T and by polarized optical microscopy (POM) observation under variable magnetic fields (0–5.0 T).