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- P13G-2286: Quasielastic Neutron Scattering Study of Lunar Regolith Ice Sublimation Behavior Using Lunar Simulants
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Board 2286‚ Hall EFG (Poster Hall)NOLA CC
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Tao Zhang, Department of Earth and Environmental Sciences, University of Texas at Arlington, Arlington 76019, USA (First Author, Presenting Author)
Eugene Mamontov, Neutron Scattering Science Division, Oak Ridge National Laboratory, Tennessee 37831, USA
Alexander Kolesnikov, Neutron Scattering Science Division, Oak Ridge National Laboratory, Tennessee 37831, USA
Lawrence Anovitz, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
Philipp Reiss, Institute of Astronautics, Technical University of Munich, Boltzmannstr. 15, Garching 85748, Germany
Qinhong Hu, National Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China)
Water ice on the Moon is critical for future exploration, but its stability under lunar conditions remains poorly understood. We use quasielastic neutron scattering to investigate the molecular mobility and sublimation behavior of water in lunar regolith simulants. Experiments on BASIS and SEQUOIA at ORNL track the transition from frozen to mobile states during controlled heating. Our results aim to define the energy thresholds and structural constraints that govern extractable versus immobile water, providing new insight into lunar ice utilization.
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