Ruf, T.Heyen, E.Cardona, M.Mesot, J.Furrer, A.2012-09-172012-09-172012-09-17199210.1103/PhysRevB.46.11792https://infoscience.epfl.ch/handle/20.500.14299/85440Raman study of crystal-field–phonon coupling in NdBa2Cu3O7-δ in a magnetic fieldtext::journal::journal article::research article