| 摘要 |
A description is given of a switching device (1) comprising a transparent substrate (3) and a switching film (5) which includes a hydride of a trivalent metal, such as gadolinium, and which is covered with a palladium layer (7). Between the substrate (3) and the switching film (5) a thin magnesium layer (4) is interposed. By exchange of hydrogen, the switching film can be reversibly switched from a transparent state to a highly reflective state. The conversion between both states is reversible, and this phenomenon can be used, for example, in a luminaire or for climate control.
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