Eschenlohr, A., Battiato, M., Maldonado, P., Pontius, N., Kachel, T., Holldack, K., Mitzner, R., Föhlisch, A., Oppeneer, P. M., & Stamm, C. (2013). Ultrafast spin transport as key to femtosecond demagnetization. Nature Materials, 12(4), 332–336. https://doi.org/10.1038/nmat3546