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2025
Christoffersen, R., Loeffler, M.J., Kanee, S., Cline, C.J., Keller, L.P., Erickson T.M., and the IMPACT Team, Experimental Hypervelocity Dust Impacts in Olivine – Multiscale Insights into Microcrater Shock and Melting Effects from Coordinated SEM/TEM Observation , submitted
Martin, A.C., Emery, J.P., Loeffler, M.J., and Hanna, K.L.D. Mid-Infrared Reflectance and Emissivity Spectra of High Porosity Regoliths, accepted
Chaves, L.C., Thompson, M.S., Dukes, C.A., Loeffler, M.J., Martinez-Motta, M.F., Vannier, H., Horgon, B.H.N., Smith, N., Ardrey, K. Experimental simulations of space weathering on pentlandite, 2025. Meteoritics and Planetary Science, 18 pages, pdf
Carmack, R.A., Pore Networks in and Electron-induced Sputtering from Extraterrestrial Ice Analogs, Ph.D. Dissertation, 2025 pdf
2024
Bott, N., Thompson, M.S., Loeffler M.J., Vander Kaaden, K.E., McCubbin, F.M. Understanding the Effects of Micrometeoroid Bombardment on Graphite-Rich Mercury Analogs through Laboratory Experiments and Electron Microscopy Analysis, 2024. Planetary Science Journal, 5, 26 pages, pdf
Carmack, R.A., Loeffler, M.J. Energy and temperature dependencies for electron-induced sputtering from H2O-ice: Implications for the icy Galilean moons, 2024. Planetary Science Journal, 5, 12 pages, Data, pdf
Lopez-Oquendo, A.J., Loeffler, M.J., Trilling, D.E., Laser Irradiation of Carbonaceous Chondrite Simulants: Space Weathering Implications for C-complex Asteroids, 2024. Planetary Science Journal, 5, 10 pages, Data, pdf
Tribbett, P.D., Loeffler, M.J., Thermal Oxidation Reaction between NH3 and O3: Low Temperature Formation of an NH4+-bearing Salt, 2024. Planetary Science Journal, 5, 12 pages, Data, pdf
Tegler, S.C., Grundy, W.M., Loeffler, M.J., Hanley, J., Jasko, A.V., Dawson, H., Morgan, A.N., Koga, K.J., Madden-Watson, A.O., Gomez, M.D., Spekloff, J.K., Lindberg, G.E., Tan, S.P., Raposa, S.M., Engle, A.E., Thiberger, C.L., Trilling, D.E. Optical Constants of Ices Important to Planetary Science From Laboratory Reflectance Spectroscopy, 2024. Planetary Science Journal, 5, 8 pages, pdf
Grundy, W.M., Tegler, S.C., Spekloff, J.K., Tan, S.P., Loeffler, M.J., Jasko, A.V., Koga, K.J., Raposa, S.M., Engle, A.E., Thiberger, C.L., Hanley, J., Lindberg, G.E., Gomez, M.D., Madden-Watson, A.O. Laboratory Measurement of Volatile Ice Vapor Pressures with a Quartz Crystal Microbalance, 2024. Icarus, 410, 115767, pdf
2023
Daerden, F., Crowley, J.N., Nearyl, L. Smith, M.D., Loeffler, M.J., clancy, T. Wolff, M.J., Aoki, S., Sagawa, H., Heterogeneous Chemistry on Mars: Potential Processes and Remaining Problems, 2023. JGR, 128, 34 pages, pdf
Chaves, L.C., Thompson, M.S., Loeffler, M.J., Dukes, C.A., Szabo, P.S., Horgon, B.H.N. Evaluating the effects of space weathering on magnetite on airless planetary bodies, 2023. Icarus 402, 115634, pdf
Martin, A.C., Emery, J.P., and Loeffler, M.J. Spectral effects of regolith porosity in the Mid-IR – Pyroxene, 2023. Icarus, 397, 115507, pdf
Carmack, R.A., Tribbett, P.D., and Loeffler, M.J., Pore Accessibility in Amorphous Solid Water, 2023. Astrophys. J., 942, 1, 6 pages, Data, pdf
2022
Tribbett, P.D., Loeffler, M.J., Thermal Reactions between H2S and O3: Implications for Europa Surface Chemistry, 2022. Planetary Science Journal, 3, 233, 8 pages, Data, pdf
Martin, A.C., Emery, J.P., and Loeffler, M.J. Spectral effects of regolith porosity in the mid-IR – Forsteritic olivine, 2022. Icarus, 378, 114921, pdf
Loeffler, M.J. and Prince, B.S., A Possible Explanation for the Blue Spectral Slope Observed on B-type Asteroids, 2022. Icarus, 376, 114881, Data, pdf
Prince, B.S. and Loeffler, M.J., Space Weathering of the 3-µm Phyllosilicate Feature induced by Pulsed Laser Irradiation, 2022. Icarus, 327, 114736, Data, pdf
2021
Daly, L., Lee, M.R., Hallis, L. J., Ishii, H.A., Bradley, J.P., Bland, P.A., Saxey, D.W., Fougerouse, D., Rickard, W.D.A., Forman, L.V., Timms, N.E., Jourdan, F., Reddy, S.M., Salge, T., Quadir, Z., Christou, E.V., Cox, M.A., Aguiar, J., Hattar, K., Monterrosa, A., Keller, L.P., Christoffersen, R., Dukes, C.A., Loeffler, M.J., and Thompson, M.S., Solar contributions to Earth's oceans, 2021. Nature Astronomy, link
Tribbett, P.D., Tegler, S. C., Loeffler, M.J., Probing Microporous ASW with Near-infared Spectroscopy: Implications for JWST’s NIRSpec, 2021. Astrophys. J., 915, 40, 6 pages, Data pdf
McLain, J. L., Loeffler, M. J., Farrell, W. M., Keller, J. W., and Hudson, R. L. Hydroxylation of Apollo 17 Soil Sample 78421 by Solar Wind Protons, 2021. J. Geophys. Res., 126, e2021JE006845, pdf
Davis, M.R., Meier, R.M., Cooper, J.F., and Loeffler M.J., The Contribution of Electrons to the Sputter-Produced O2 Exosphere on Europa, 2021. Astrophys. J., 908, L53, Data, pdf
Tribbett, P.D., Loeffler, M.J., The sputtering of radiolytic O2 in ion irradiated H2O-ice, 2021. Surface Science, 707, 121797, Data, pdf
2020
Behr, P.R., Tribbett, P.D., Robinson, T.D, and Loeffler, M.J., Compaction of Porous H2O-ice via Energetic Electrons, 2020. Astrophys. J., 900, 10 pages, Data, pdf
Loeffler, M.J., Tribbett, P.D., Cooper, J.F., and Sturner, S.J., A Possible Explanation for the Presence of Crystalline H2O-ice on Kuiper Belt Objects, 2020, Icarus, 351, 113943, Data, pdf
Prince, B.S., Magnuson, M.P., Chaves, L.C., Thompson, M.S., and Loeffler, M.J., Space Weathering of FeS Induced Via Pulsed Laser Irradiation, 2020. J. Geophys. Res., 125, e2019JE00624, Data, pdf
Thompson, M. S., Morris, R. V., Clemett, S. J., Loeffler, M. J., Trang, D., Keller, L. P., Christoffersen, R.,and Agresti, D.G. The Effect of Progressive Space Weathering on the Organic and Inorganic Components of a Carbonaceous Chondrite, 2020. Icarus, 346, 113775, pdf
Hudson, R. L., Loeffler, M. J., Ferrante, R. F., Gerakines, P. A., and Coleman, F. M. Testing Densities and Refractive Indices of Extraterrestrial Ice Components Using Molecular Structures - Organic Compounds and Molar Refractions, 2020. Astrophys. J., 891, 10 pages, pdf
Meier, R. M. and Loeffler, M. J. Sputtering of water ice by keV electrons at 60 K, 2020. Surface Science, 691, 121509, Data, pdf
2019
Cloutis, E., Beck, P., Gillis-Davis, J. J., Helbert, J., and Loeffler M. J. (2019), Effects of Environmental Conditions on Spectral Measurements, Remote Compositional Analysis, J. L. Bishop, J. F. Bell III, J. E. Moersch, link
Thompson, M. S., Loeffler, M. J., Morris, R. V., and Keller, L. P. Spectral and chemical effects of simulated space weathering of the Murchison CM2 carbonaceous chondrite, 2019. Icarus, 319, 499 – 511, pdf
2018
Loeffler, M.J. and Hudson, R.L. Coloring Jupiter's Clouds: Radiolysis of Ammonium Hydrosulfide (NH4SH), 2018. Icarus, 302, 418 – 425, pdf
2017
Trilling, D.E., Robinson, T., Roegge, A., Chandler, C.O., Smith, N., Loeffler, M., Trujillo, C., Navaroo-Meza, S., Glaspie, L.M. Implications for planetary system formation from interstellar object 1I/2017 U1 ('Oumuamua). Astrophys. J. Lett., 850, L58, pdf
Gautier, T., Sebree, J. A., Li, X., Pinnick, V. T., Grubisic, A., Loeffler, M. J., Getty, S. A., Trainer, M. G. and Brinckerhoff, W. B., 2017. Influence of trace aromatics on the chemical growth mechanisms of Titan aerosol analogues. Planet. Spac. Sci. 140, 27-34, pdf
Gautier, T., Trainer, M. G., Loeffler, M. J., Sebree, J. A. and Anderson, C. M., 2017. Environmental temperature effect on the far-infrared absorption features of aromatic-based Titan's aerosol analogs. Icarus 281, 338-341, pdf
Hudson, R. L., Loeffler, M. J. and Gerakines, P. A., 2017. Infrared spectra and band strengths of amorphous and crystalline N2O. J. Chem. Phys. 146, 024304, pdf
Hudson, R. L., Loeffler, M. J. and Yocum, K. M., 2017. Laboratory investigations into the spectra and origin of propylene oxide: A chiral interstellar molecule. Astrophysical Journal 835, 225, pdf
2016
Aslam, S., Amato, M., Bowles, N., Calcutt, S., Hewagama, T., Howard, J., Howett, C., Hsieh, W. T., Hurford, T., Hurley, J., Irwin, P., Jennings, D. E., Kessler, E., Lakew, B., Loeffler, M., Mellon, M., Nicoletti, A., Nixon, C. A., Putzig, N., Quilligan, G., Rathbun, J., Segura, M., Spencer, J., Spitale, J. and West, G., 2016. Dual-telescope multi-channel thermal-infrared radiometer for outer planet fly-by missions. Acta Astronautica 128, 628-639, pdf
Loeffler, M. J., Dukes, C. A., Christoffersen, R. and Baragiola, R. A., 2016. Space weathering of silicates simulated by successive laser irradiation: In situ reflectance measurements of Fo90, Fo99+, and SiO2. Met. Planet. Sci.261-275, pdf
Loeffler, M. J. and Hudson, R. L., 2016. What is eating ozone? Thermal reactions between SO2 and O3: Implications for icy environments. Astrophys. J. 833, L9, pdf
Loeffler, M. J., Hudson, R. L., Chanover, N. J. and Simon, A. A., 2016. The spectrum of Jupiter's Great Red Spot: The case for ammonium hydrosulfide (NH4SH). Icarus 271, 265-268, pdf
Loeffler, M. J., Moore, M. H. and Gerakines, P. A., 2016. The effects of experimental conditions on the refractive index and density of low-temperature ices: Solid carbon dioxide. Astrophys. J. 827, pdf
2015
Brunetto, R., Loeffler, M. J., Nesvorny, D., Sasaki, S. and Strazzulla, G. (2015). Asteroid Surface Alteration by Space Weathering Processes, Asteroids IV. P. Michel, F. E. DeMeo and W. F. Bottke: 597-616.
Hudson, R. L., Gerakines, P. A. and Loeffler, M. J., 2015. Activation of weak IR fundamentals of two species of astrochemical interest in the T-d point group - the importance of amorphous ices. Physical Chemistry Chemical Physics 17, 12545-12552, pdf
Loeffler, M. J. and Hudson, R. L., 2015. Descent without modification? The thermal chemistry of H2O2 on Europa and other icy worlds. Astrobiology 6, 453-461, pdf
Loeffler, M. J., Hudson, R. L., Chanover, N. J. and Simon, A. A., 2015. Giant-planet chemistry: ammonium hydrosulfide (NH4SH), its IR spectra and thermal and radiolytic stabilities. Icarus 258, 181-191, pdf
2014
Sebree, J. A., Trainer, M. G., Loeffler, M. J. and Anderson, C. M., 2014. Titan aerosol analog absorption features produced from aromatics in the far infrared. Icarus 236, 146-152, pdf
2013
Baragiola, R. A., Famá, M. A., Loeffler, M. J., Palumbo, M. E., Raut, U., Shi, J., Strazzulla, G. and Castillo-Rogez, J. (2013). Radiation effects in water ice in the Outer Solar System. The Science of Solar System Ices. M. S. Gudipati: 527.
Hudson, R. L. and Loeffler, M. J., 2013. Ketene formation in interstellar ices: A laboratory study. Astrophys. J. 773, 109, pdf
Loeffler, M. J., Fama, M., Baragiola, R. A. and Carlson, R. W., 2013. Photolysis of H2O-H2O2 mixtures: The destruction of H2O2. Icarus 226, 945-950, pdf
Loeffler, M. J. and Hudson, R. L., 2013. Low-temperature thermal reactions between SO2 and H2O2 and their relevance to the Jovian icy satellites Icarus 224, 257-259, pdf
2012
Loeffler, M. J. and Baragiola, R. A., 2012. Blistering and explosive desorption of irradiated ammonia-water mixtures. Astrophys. J. 744, 102, pdf
Loeffler, M. J. and Hudson, R. L., 2012. Thermal regeneration of sulfuric acid hydrates after irradiation. Icarus 219, 561-566, pdf
Raut, U., Fulvio, D., Loeffler, M. J. and Baragiola, R. A., 2012. Radiation synthesis of carbon dioxide in ice-coated carbon: Implications for interstellar grains and icy moons. Astrophys. J. 752, 159, pdf
2011
Loeffler, M. J. and Baragiola, R. A., 2011. Isothermal decomposition of hydrogen peroxide dihydrate. J. Phys. Chem. A 15, 5324-5328, pdf
Loeffler, M. J., Hudson, R. L., Moore, M. H. and Carlson, R. W., 2011. Radiolysis of sulfuric acid, sulfuric acid monohydrate, and sulfuric acid tetrahydrate and its relevance to Europa. Icarus 215, 370-380, pdf
Raut, U., Loeffler, M. J., Fama, M. and Baragiola, R. A., 2011. Photolysis of pure solid O3 and O2 films at 193 nm. J. Chem. Phys. 134, 194501, pdf
Rodriguez-Nieva, J. F., Bringa, E. M., Cassidy, T. A., Johnson, R. E., Caro, A., Fama, M., Loeffler, M. J., Baragiola, R. A. and Farkas, D., 2011. Sputtering from a Porous Material by Penetrating Ions. Astrophys. J. Let. 743, L1-L5, pdf
Shi, J., Raut, U., Kim, J. H., Loeffler, M. and Baragiola, R. A., 2011. Ultraviolet photon-induced synthesis and trapping of H2O2 and O3 in porous water ice films in the presence of ambient O2: Implications for extraterrestrial ice. Astrophys. J. Lett. 738, L3, pdf
2010
Cassidy, T., Coll, P., Raulin, F., Carlson, R. W., Johnson, R. E., Loeffler, M. J., Hand, K. P. and Baragiola, R. A., 2010. Radiolysis and photolysis of icy satellite surfaces: experiments and theory. Space Sci. Rev 153, 299-315, pdf
Famá, M., Loeffler, M. J., Raut, U. and Baragiola, R. A., 2010. Radiation-induced amorphization of crystalline ice. Icarus 207, 314-319, pdf
Loeffler, M. J. and Baragiola, R. A., 2010. Photolysis of solid NH3 and NH3-H2O mixtures at 193 nm. J. Chem. Phys. 133, pdf
Loeffler, M. J. and Hudson, R. L., 2010. Thermally-induced chemistry and the Jovian icy satellites: a laboratory study of the formation of sulfur oxyanions Geophys. Res. Lett. 37, 19201, pdf
Loeffler, M. J., Raut, U. and Baragiola, R. A., 2010. Radiation chemistry in ammonia-water ices. J. Chem. Phys. 132, 054508, pdf
2009
Loeffler, M. J. and Baragiola, R. A., 2009. Is the 3.5 μm infrared feature on Enceladus due to hydrogen peroxide? Astrophys. J. 694, L92-L94, pdf
Loeffler, M. J. and Baragiola, R. A., 2009. Physical and chemical effects on crystalline H2O2 induced by 20 keV protons. J. Chem. Phys. 130, 114504, pdf
Loeffler, M. J., Dukes, C. A. and Baragiola, R. A., 2009. Irradiation of olivine by 4 keV He+: Simulation of space weathering by the solar wind. J. Geophys. Res. 114, E03003, pdf
2008
Baragiola, R. A., Famá, M., Loeffler, M. J., Raut, U. and Shi, J., 2008. Radiation effects in ice: New results. Nuc. Instr. Met. Phys. Res. B 266, 3057-3062, pdf
Cantando, E. D., Dukes, C. A., Loeffler, M. J. and Baragiola, R. A., 2008. Aqueous depletion of Mg from olivine surfaces enhanced by ion irradiation. J. Geophys. Res. 113, pdf
Loeffler, M. J., Baragiola, R. A. and Murayama, M., 2008. Laboratory simulations of redeposition of impact ejecta on mineral surfaces. Icarus 196, 285-292, pdf
Loeffler, M. J., Dukes, C. A., Chang, W. Y., McFadden, L. A. and Baragiola, R. A., 2008. Laboratory simulations of sulfur depletion at Eros. Icarus 195, 622-629, pdf
Raut, U., Famá, M., Loeffler, M. J. and Baragiola, R. A., 2008. Cosmic ray compaction of porous interstellar ices. Astrophys. J. 687, 1070-1074, pdf2007
Bringa, E. M., Kucheyev, S. O., Loeffler, M. J., Baragiola, R. A., Tielens, A. G. G. M., Dai, Z. R., Graham, G., Bajt, S., Bradley, J. P., Dukes, C. A., Felter, T. E., Torres, D. F. and van Breugel, W., 2007. Energetic processing of interstellar silicate grains by cosmic rays. Astrophys. J. 662, 372-378, pdf
Raut, U., Teolis, B. D., Loeffler, M. J., Vidal, R. A., Famá, M. and Baragiola, R. A., 2007. Compaction of microporous amorphous solid water by ion irradiation. J. Chem. Phys. 126, 244511, pdf
Teolis, B. D., Loeffler, M. J., Raut, U., Famá, M. and Baragiola, R. A., 2007. Infrared reflectance spectroscopy on thin films: Interference effects. Icarus 190, 274-279, pdf
2006
Loeffler, M. J., Raut, U. and Baragiola, R. A., 2006. Enceladus: A source of nitrogen and an explanation for the water vapor plume observed by CASSINI. Astrophys. J. 649, L133-L136, pdf
Loeffler, M. J., Raut, U., Vidal, R. A., Baragiola, R. A. and Carlson, R. W., 2006. Synthesis of hydrogen peroxide in water ice by ion irradiation. Icarus 180, 265-273, pdf
Loeffler, M. J., Teolis, B. D. and Baragiola, R. A., 2006. A model study of the thermal evolution of astrophysical ices. Astrophys. J. 639, L103-L106, pdf
Loeffler, M. J., Teolis, B. D. and Baragiola, R. A., 2006. Distillation kinetics of solid mixtures of hydrogen peroxide and water and the isolation of pure hydrogen peroxide in ultrahigh vacuum. J. Phys. Chem. B 110, 6911-6915, pdf
Loeffler, M. J., Teolis, B. D. and Baragiola, R. A., 2006. Decomposition of solid amorphous hydrogen peroxide by ion irradiation. J. Chem. Phys. 124, 104702, pdf
Teolis, B. D., Loeffler, M. J., Raut, U., Famá, M. and Baragiola, R. A., 2006. Ozone synthesis on the icy satellites. Astrophys. J. 644, L141-L144, pdf
2005
Baragiola, R. A., Loeffler, M. J., Raut, U., Vidal, R. A. and Wilson, C. D., 2005. Laboratory studies of radiation effects in water ice in the outer solar system. Rad. Phys. Chem. 72, 187-191, pdf
Loeffler, M. J. and Baragiola, R. A., 2005. The state of hydrogen peroxide on Europa. Geophys. Res. Lett. 32, 17202, pdf
Loeffler, M. J., Baratta, G. A., Palumbo, M. E., Strazzulla, G. and Baragiola, R. A., 2005. CO2 synthesis in solid CO by Lyman-alpha photons and 200 keV protons. A&A 435, 587-594, pdf