Coupling of spin and lattice modes in the S=1/2 two-dimensional antiferromagnet K${}_2$V${}_3$O${}_8$ with magneto-dielectric couplings

K. -Y. Choi, P. Lemmens, V. P. Gnezdilov +2

Lattice dynamics and magnetic excitations are investigated to elucidate the origin of magneto-dielectric effects in the S=1/2 two-dimensional quantum spin compound K${}_2$V${}_3$O${}_8$.…