Continuous Wave Resonant Photon Stimulated Electron Energy-Gain and Electron Energy-Loss Spectroscopy of Individual Plasmonic Nanoparticles - Liu, Chenze; Wu, Yueying; Hu, Zhongwei; Busche, Jacob A.; Beutler, Elliot K.; Monton, Nicholas P.; Moore, Thomas M.; Magel, Gregory A.; Camden, Jon P.; Masiello, David J.; Duscher, Gerd; Rack, Philip D.; (ACS Photonics, 2019)