Probing the ${J}_{\mathrm{eff}}=0$ ground state and the Van Vleck paramagnetism of the ${\mathrm{Ir}}^{5+}$ ions in layered ${\mathbf{Sr}}_{2}{\mathbf{Co}}_{0.5}{\mathbf{Ir}}_{0.5}{\mathbf{O}}_{4}$

S. Agrestini, C.-Y. Kuo, K. Chen, Y. Utsumi, D. Mikhailova, A. Rogalev, F. Wilhelm, T. Förster, A. Matsumoto, T. Takayama, H. Takagi, M. W. Haverkort, Z. Hu, and L. H. Tjeng
American Physical Society (APS)
Published 2018