Citation: Mullens, Bryce G.; Avdeev, Maxim; Brand, Helen E. A.; Mondal, S.; Vaitheeswaran, G.; Kennedy, Brendan J. (2021). Insights into the structural variations in SmNb1-xTaxO4 and HoNb1-xTaxO4 combined experimental and computational studies.. Dalton transactions (Cambridge, England : 2003), 50, pp. 9103-9117.