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Cover
Chapter 1. Introduction
References
Chapter 2. Theory of quantum dots
2-1. The energy gap variation and the wave function of the quantum dots
2-2. The energy gap variation of the paired states in the strong confinement condition
Chapter 3. Porous silicon
3-1. Brief review of porous silicon
3-2. Splitting of continuous conduction band by quantum size effect
3-3. Experimental preparation of Porous silicon
3-4. Electric field and heat controllable photoluminescence in porous silicon
3-5. Silicon powders preparation and experimental results compared with porous silicon
3-6. The photoluminescence study for the porous silicon powders embedded in the sol-gel glass
3-7. Summary
References
Figures
Chapter 4. Ultra-fine metallic particles
4-1. Brief review of ultra-fine metallic particles
4-2. Experimental preparation of ultra-fine metallic particles by sol-gel method
4-3, Introduction to spin-glass
4-4. Magnetic property investigation of metal-nanoparticles
4-5. Optical transmission spectrum for surface plasma resonance of ultra-fine metallic particles
4- 6. S urnmary
References
Figures
Chapter 5. Conclusions and future prospects
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