Zn2+ Ion Surface Enrichment in Doped Iron Oxide Nanoparticles Leads to Charge Carrier Density Enhancement oleh Stanley Bram, Matthew N. Gordon, Michael A. Carbonell, Maren Pink, Barry D. Stein, David Gene Morgan, David Aguilà, Guillem Aromí, Sara E. Skrabalak, Yaroslav Losovyj, Lyudmila M. Bronstein