| 摘要 |
After a chalcogen film 3 is applied to an acute tip 2 of a glass fiber 1, the acute tip 2 is held in physical contact with a metal layer 5 so as to induce diffusional reaction for generation of a metal chalcogenide nano-particle or nano-particles 6 at the acute tip 2. In the case where the chalcogen film 3 is directly applied to the acute tip 2, the generated nano-particle or nano-particles 6 are transferred from the acute tip 2 to a corresponding part of the metal layer 5. When a silane-adsorbed film 4 is pre-formed on the acute tip 2 before application of the chalcogen film 3, the generated nano-particle or nano-particles 6 are fixed to the acute tip 2. The nano-particles 6 are several to tens in number with very narrow distribution of particle size. Since particle size and fixed position of the nano-particle or nano-particles 6 can be controlled with high freedom, the nano-particle or nano-particles 6 are useful as a light-emitting or photo-detecting element.
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