Gubbiotti, G., Malagò, P., Fin, S., Tacchi, S., Giovannini, L., Bisero, D., Madami, M., Carlotti, G., Ding, J., Adeyeye, A., & Zivieri, R. (2014). Magnetic normal modes of bicomponent permalloy/cobalt structures in the parallel and antiparallel ground state. Physical review B, 90(2), https://doi.org/10.1103/physrevb.90.024419