Fig. 18.

High-resolution TEM images of different types of heterodimers: (a) γ-Fe₂O₃–CdS. Reprinted with permission from Kwon and Shim (2005). Copyright: 2005 American Chemical Society (b) CoPt₃–Au; (c) Fe₃O₄–Au. Reprinted with permission from Shi et al. (2006). Copyright: 2006 American Chemical Society (d) Fe₃O₄–Ag (e) FePt–Ag; (f) Au–Ag. Reprinted with permission from Gu et al. (2005). Copyright: 2005 American Chemical Society