Fauth, F.Staub, U.Guillaume, M.Mesot, J.Furrer, A.Dosanjh, P.Zhou, H.Vorderwisch, P.2012-09-172012-09-172012-09-17199910.1088/0953-8984/7/22/005https://infoscience.epfl.ch/handle/20.500.14299/85454Collective magnetic excitations of Ho3+ ions in grain-aligned HoBa2Cu3Ox (x=7, 6.2)text::journal::journal article::research article