${}^{77}$Se NMR measurements of the $\pi -d$ exchange field in the organic conductor $\lambda -$(BETS)${}_2$FeCl${}_4$

Guoqing Wu, W. G. Clark, S. E. Brown +3

${}^{77}$Se-NMR spectrum and frequency shift measurements in the paramagnetic metal (PM) and antiferromagnetic insulating (AFI) phases are reported for a small single crystal of the…