Morphology Evolution of Mn-Si Composition Gradient Micro/Nanomaterials Prepared by Oxygen Assisted Chemical Vapor Deposition

Figure 2

Micro/nanostructure prepared by cone laying shape of Mn powder: (a) growing bands from center to edge of substrate; (b) polyhedron structures; (c)-(d) quasi-polyhedron structures with nanowires growing in edges; (e) nanowires; (f) nanorods; (g)–(i) Mn and Si element mapping of substrate. (j) X-ray diffraction pattern of nanostructure prepared by various stacking shape of Mn powder.

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