@misc{bo2019a,
  title = {Observation of Plasmon Energy Gain for Emitted Secondary Electron in Vacuo},
  author = {Bo Da, Jiangwei Liu, Yoshitomo Harada, Nguyen T. Cuong, Kazuhito Tsukagoshi, Jin Hu, Lihao Yang, Zejun Ding, Hideki Yoshikawa, Shigeo Tanuma},
  publisher = {American Chemical Society (ACS)},
  year = {2019-10-03},
  keywords = {Secondary Electron, Plasmon Energy Gain}
}