Negative surface ionisation of hyperthermal halogen atoms

✍ Scribed by G.P. Können; J. Grosser; A. Haring; A.E. De Vries

• Publisher: Elsevier Science
• Year: 1973
• Tongue: English
• Weight: 257 KB
• Volume: 21
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(73)80279-9

✦ Synopsis

Itrlsritu~rt voor A loon!-en Molccuulfys~ca, Afr~sterdanl/~Vgm., Tire IVerirerlorrds Reccivcd 31 May 1973 h'cgalivc surface ionisation of hyperthermal halogen atoms was studied as a function of their kinetic enerey 011 thoriated rungsrsn and on niobium wires. The transition from a thermal equilibrium piouess to direct rcfIccf:on GNISBS the iontiation to increase drastically above thcrmnl eneqies: efficiencies up to 409 were found for 30 eV CL atoms impinsng on thoriated tungsten.