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most citedThermal emittance measurements of a cesium potassium antimonide photocathode

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physics.acc-ph2015★ 72 cited

Cold electron beams from cryo-cooled, alkali antimonide photocathodes

Luca Cultrera, Siddharth Karkare, Hyeri Lee +2

In this letter we report on the generation of cold electron beams using a Cs3Sb photocathode grown by co-deposition of Sb and Cs. By cooling the photocathode to 90 K we demonstrate…