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Photocathode Materials
The discovery of high‐brightness photocathode materials can considerably expand the capabilities of X‐ray free‐electron laser facilities. In article number 2104081, Evan R. Antoniuk, Evan J. Reed, and co‐workers perform a comprehensive screening of over 74 000 materials to identify novel photocathode candidates. The newly discovered materials are demonstrated to achieve higher...
The high brightness, low emittance electron beams achieved in modern X‐ray free‐electron lasers (XFELs) have enabled powerful X‐ray imaging tools, allowing molecular systems to be imaged at picosecond time scales and sub‐nanometer length scales. One of the most promising directions for increasing the brightness of XFELs is through the development of novel photocathode materials. Whereas past efforts...
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