Mostrando 8 resultados de: 8
Publisher
International Journal of Mass Spectrometry(3)
Journal of Mass Spectrometry(2)
Brazilian Journal of Physics(1)
Earth, Moon and Planets(1)
Journal of the American Society for Mass Spectrometry(1)
Cluster emission and chemical reactions in oxygen and nitrogen ices induced by fast heavy-ion impact
ArticleAbstract: Two ices, O2 and a mixture of O2 and N2, are bombarded by 252Cf fission fragments (FF) (∼65 MeV at tPalabras claves:Cluster ions, Condensed gases, O ice 2, O -N ice 2 2, Secondary ions, Temperature dependence, TOF-SIMSAutores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Ponciano C.R., Wien K.Fuentes:scopusElectronic Sputtering Produced by Fission Fragments on Condensed CO and CO<inf>2</inf>
ArticleAbstract: Condensed CO and CO2 are bombarded by ∼65 MeV 252Cf fission fragments and the desorbed ions are analPalabras claves:Autores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Ponciano C.R., Wien K.Fuentes:scopusElectronic sputtering analysis of astrophysical ices
Conference ObjectAbstract: Experimental results on fast ion collision with icy surfaces having astrophysical interest are presePalabras claves:Cometary ice, Condensed gas (H O, CO , CO, NH , N , O , Ar) 2 2 3 2 2, Ion cluster, Temperature dependence, TOF SIMSAutores:Da Silveira E.F., Duarte E.S., Faraudo G.S., Farenzena L.S., Fernandez-Lima F.A., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Peter Iza, Ponciano C.R., Wien K.Fuentes:googlescopusHybrid molecular ions emitted from CO-NH<inf>3</inf> ice bombarded by fission fragments
ArticleAbstract: CO-NH3 ice at 25 K is bombarded by 65 MeV fission fragments and the emitted secondary ions are analyPalabras claves:CO-NH ice 3, Condensed gase, Hybrid molecular ion, Secondary ion, Temperature dependence, TOF SIMSAutores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Ponciano C.R., Wien K.Fuentes:scopusIon cluster desorption from frozen NH<inf>3</inf> induced by impact of fast multi-charged ions
ArticleAbstract: Ion cluster desorption yields due to the impact of 252Cf fission fragments on condensed ammonia arePalabras claves:252 Cf-PDMS, Ammonia ion cluster, Condensed NH 3, Secondary ion, TOFAutores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Ponciano C.R., Wien K.Fuentes:scopusTrack electrostatic model for describing secondary ion emission of insulators
Conference ObjectAbstract: A model based on the nuclear track potential is described and used to pbkp_redict trajectories and tPalabras claves:Autores:Da Silveira E.F., Farenzena L.S., P. Iza, Peter Iza, Ponciano C.R., Sigaud R.Fuentes:googlescopusSecondary ion emission from condensed CO bombarded by fission fragments
ArticleAbstract: Frozen CO was bombarded by ∼65 MeV fission fragments and the emitted secondary ions were analyzed byPalabras claves:CO ice, Condensed gas, Ion cluster, Secondary ions, Temperature dependence, TOF SIMSAutores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Peter Iza, Ponciano C.R., Wien K.Fuentes:googlescopusSecondary ion emission induced by fission fragment impact in CO-NH <inf>3</inf> and CO-NH<inf>3</inf>-H<inf>2</inf>O ices: Modification in the CO-NH<inf>3</inf> ice structure
Conference ObjectAbstract: CO-NH3 and CO-NH3-H2O ices at 25-130 K were bombarded by 252Cf fission fragments (∼65 MeV at the tarPalabras claves:CO-NH -H O ice 3 2, CO-NH ice 3, Condensed gases, phase transition, Secondary ions, Temperature dependence, TOF-SIMSAutores:Da Silveira E.F., Farenzena L.S., Homem M.G.P., Martinez R., Naves De Brito A., P. Iza, Ponciano C.R., Wien K.Fuentes:scopus