Tuning interactions in the spin-ice materials Dy${}_2$Ge${}_{2-x}$Si${}_x$O${}_7$ by silicon substitution

T. Stöter, M. Antlauf, L. Opherden +10

We report that the lattice constant of Dy${}_2$Ge${}_{2-x}$Si${}_x$O${}_7$ ($x=0,0.02,0.08,0.125$) can be systematically reduced by substituting the non-magnetic germanium ion in the cu…