Mn-Doping Level Dependence on the Magnetic Response of MnxFe3-xO4 Ferrite Nanoparticles Xabier Lasheras, Maite Insausti, Jesus Martinez de la Fuente, Izaskun Gil de Muro, Idoia Rubio-Castellanos, Lourdes Marcano, Maria Luisa Fernandez-Gubieda, Aida Serrano, Rosa Martín Rodríguez, Eneko Garaio, José Ángel García and Luis Lezama Abstract Manganese/iron ferrite nanoparticles with different Mn2+/3+ doping grades have been prepared by a thermal decomposition optimized approach so as to ascertain...