Metallic Na formation in NaCl crystals by electron and VUV photon irradiation Owaki, Shigehiro ; Koyama, Shigeko ; Takahashi, Masao ; Okada, Toichi ; Suzuki, Ryouichi ; Kamada, Masao Abstract Publication: Radiation Effects and Defects in Solids Pub Date: December 1995 DOI: 10.1080/10420159508222695 Bibcode: 1995REDS..137...69O