Shirai, M.Freitas, R. S.Lago, J.Bramwell, S. T.Ritter, C.Živković, I.2018-02-022018-02-022018-02-022017-11-2010.1103/PhysRevB.96.180411https://infoscience.epfl.ch/handle/20.500.14299/144590Doping-induced quantum crossover in Er2Ti2−xSnxO7text::journal::journal article::research article