Yukio Fujiwara, Naoaki Saito. Negative-cluster ion beam production from the tip of a sharp needle: Suppression of surface charging and surface analysis of an insulated sample. Journal of Vacuum Science & Technology A. 2021. 39. 6. 063218-063218
Yukio Fujiwara. Electrochemical Reactions of Ionic Liquid in Vacuum and Their Influence on Ion-Beam Production by Electrospray. Journal of The Electrochemical Society. 2020. 167. 16. 166504-166504
Yukio Fujiwara, Naoaki Saito. Ion beam generation from a protic ionic liquid source with an externally wetted tungsten needle. Journal of Applied Physics. 2019. 126. 244901
Yukio Fujiwara, Naoaki Saito, Hidehiko Nonaka, Taisuke Nakanaga, Shingo Ichimura. Cluster Ion Beam Source Using Vacuum Electrospray of Ionic Liquids for Secondary Ion Mass Spectrometry (SIMS). 7th International Symposium on Atomic Level Characterizations for New Materials and Devices '09. 2009. 471-474