Influence of Mg, Ag and Al substitutions on the magnetic excitations in the triangular-lattice antiferromagnet CuCrO2

R. Kajimoto, K. Nakajima, S. Ohira-Kawamura +5

Magnetic excitations in CuCrO${}_2$, CuCr${}_{0.97}$Mg${}_{0.03}$O${}_2$, Cu${}_{0.85}$Ag${}_{0.15}$CrO${}_2$, and CuCr${}_{0.85}$Al${}_{0.15}$O${}_2$ have been studied by powder inelastic neu…