fig7

Figure 7. Raman characterization of carbon-nanotube nanopeapods: (A) Raman of MnX2@SWCNT heterostructures at 1.96 eV laser energy (Reproduced with permission[123]. Copyright 2012, IOP Science). (B) Raman of MnX2@SWCNTs heterostructures at 1.58 eV laser energy (Reproduced with permission[123]. Copyright 2012, IOP Science). (C) Raman of SWCNTs and NiX2@SWCNTs at 2.41 eV laser energy (Reproduced with permission[124]. Copyright 2012, Wiley). (D) Raman of SWCNTs and NiX2@SWCNTs at 1.58 eV laser energy (Reproduced with permission[124]. Copyright 2012, Wiley).