Magnetically tuning microwave propagation parameters in ferrofluidsP. C. Fannin, O. M. Bunoiu, I. Malaescu, C. N. Marin and D. UrsuEur. Phys. J. E, 44 6 (2021) 83DOI: https://doi.org/10.1140/epje/s10189-021-00087-w