Inhomogeneous dynamic state in the double trillium lattice antiferromagnet KBaFe${}_2$(PO${}_4$)${}_3$

S. J. Sebastian, S. S. Islam, R. Kolay +11

The three-dimensional (3D) magnet KBaFe${}_2$(PO${}_4$)${}_3$ hosts a double-trillium lattice of Fe${}^{3+}$ (spin, $S=5/2$) ions offering a prototypical platform to study the frustration…