Pressure driven re-entrant magnetoelectric transition in honeycomb $F{e}_{4}N{b}_2{O}_9$

Mrinmay Sahu, Bishnupada Ghosh, Rajesh Jana +2

A detailed high pressure investigation is carried out on $F{e}_{4}N{b}_2{O}_9$ using angle resolved x-ray diffraction and Raman spectroscopy measurements. We find a structural transition f…