Research Article
Appearance of Ferromagnetic Property for Si Nanopolycrystalline Body and Vanishing of Electrical Resistances at Local High Frequencies
Figure 1
(a) Reflection electron image obtained by SEM (magnification: 5000 times) |
(b) Secondary electron image obtained by SEM (magnification: 50000 times) |
(c) Secondary electron image obtained by SEM (magnification: 200000 times) |