Cooperative quantum tunneling of the magnetization in Fe-doped Li${}_3$N

M. Fix, J. H. Atkinson, F. Müller +2

The spin-reversal in dilute Li${}_2$(Li${}_{1-x}$Fe${}_x$)N with $x<1$ % is dominated by resonant quantum tunneling of spatially well-separated states. We report on the effect of fin…