Template-free fabrication of reconfigurable magnetic micropillars and filaments through controlled Nanoflower assembly and actuation - Landi,C.; Pérez-Garrido,R.; Cuenca,J.M.; Tajuelo,J.; Valeriani,C.; Gavilán,H.; Martínez-Pedrero,F. (Journal of Colloid and Interface Science, 2026)