Size-dependent spatial magnetization profile of manganese-zinc ferrite Mn0.2Zn0.2Fe2.6O4 nanoparticles - Bersweiler, Mathias; Bender, Philipp; Vivas, Laura G; Albino, Martin; Petrecca, Michele; Muhlbauer, Sebastian; Erokhin, Sergey; Berkov, Dmitry; Sangregorio, Claudio; Michels, Andreas (Physical Review b, 2019)