Spin gaps in the ordered states of ${\mathrm{La}}_{2}\mathrm{Li}X{\mathrm{O}}_{6}\phantom{\rule{0.28em}{0ex}}(X=\mathrm{Ru},\mathrm{Os})$ and their relation to the distortion of the cubic double perovskite structure in $4{d}^{3}$ and $5{d}^{3}$ magnets

D. D. Maharaj, G. Sala, C. A. Marjerrison, M. B. Stone, J. E. Greedan, and B. D. Gaulin
American Physical Society (APS)
Published 2018