Japanese Journal of Applied Physics · 1994 · 15 citations · 5 references
Natural SciencesChemistryEarth SciencesPlanetary GeologyPlanetary ScienceSpectroscopyElectron Spin Resonance SpectroscopyNuclear DecayPlanetary ChronologyPlanetary GeochemistryRadio SpectroscopyRadioactive DecayAmbient Temperature EffectsArrhenius EquationElectron Spin Resonance DatingGamma Irradiation EffectsPlanetary Age DatingRadiometric Dating Of Planetary Materials
Paramagnetic radicals have been detected in solid CO 2 with gamma irradiation at 77 K with the measurement of electron spin resonance (ESR). Species of O 3 - , CO 3 - , CH 3 , SO 3 - and HO 2 are identified. The lifetimes of O 3 - , CH 3 and HO 2 at several temperatures were obtained by isothermal annealing experiments. Their stability at the ambient temperature of Mars and icy satellites was estimated from the Arrhenius plot of the lifetime for the future possibility of ESR dating of solid CO 2 .
5
A portable ESR spectrometer using Nd-Fe-B permanent magnets
Chihiro Yamanaka, M. Ikeya, Kanji Meguro et al. · International Journal of Radiation Applications and Instrumentation Part D Nuclear Tracks and Radiation Measurements · 1991 · 20 citations
Natural Sciences, Materials Engineering, Materials Science +13