| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pottery material, a construction material and a decoration material, colors of which change reversibly in relation to change of the kinds of light sources. SOLUTION: When manufacturing these materials, such pottery materials as glaze materials, paints and base materials each contains oxide particles with particle sizes of 5-100 nm, which are at least of either Ho, Nd or Pr, and construction materials each contains oxide particles, either of Ho, Nd or Pr, at least in a part of the surface. The decoration equipment manufactured is equipped with multiple kinds of light sources to light the surfaces of the construction materials. |
