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Terahertz control of nanotip photoemission

Nanoscale metallic tips are a useful source of electrons for material characterization. It is now shown how terahertz radiation can provide precision control and enhancement of photoelectron emission from thes...

L. Wimmer, G. Herink, D. R. Solli, S. V. Yalunin, K. E. Echternkamp… in Nature Physics (2014)