| 摘要 |
A diode device is disclosed that comprises a non-wettable electrode, a wettable electrode and a liquid metal disposed between the electrodes. The diode device may additionally comprise a non-wettable housing, preferably cylindrical. The diode device may additionally comprise a piston means able to change a volume of the liquid metal. In a preferred embodiment, the liquid metal has a low work function. The low function metal may be, for example, cesium. In a preferred embodiment, the liquid metal contains gallium.
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