Collective magnetic excitations of Ho3+ ions in grain-aligned HoBa2Cu3O7 : 38th Annual Conference on Magnetism and Magnetic Materials - Staub, U.; Fauth, F.; Guillaume, M.; Mesot, J.; Furrer, A.; Dosanjh, P.; Zhou, H.; Vorderwisch, P. (American Institute of Physics (AIP), 1994)
http://dx.doi.org/10.1063/1.355391
Keywords: U