TY - T1 - Density, porosity, mineralogy, and internal structure of cosmic dust and alteration of its properties during high velocity atmospheric entry SN - / UR - http://hdl.handle.net/10138/136214 T3 - A1 - Kohout, Tomas; Kallonen, Aki Petteri; Suuronen, Jussi-Petteri; Rochette, Pierre; Hutzler, A.; Gattacceca, Jerome; Badjukov, Dmitry D.; Skala, Roman; Bohmova, Vlasta; Čuda, Jan A2 - PB - Y1 - 2014 LA - eng AB - X-ray microtomography (XMT), X-ray diffraction (XRD) and magnetic hysteresis measurements were used to determine micrometeorite internal structure, mineralogy, crystallography, and physical properties at ~μm resolution. The study samples include unmelted, partially melted (scoriaceous) and completely melted (cosmic spherules) micrometeorites. This variety not only allows comparison of the mineralogy and porosity of these three micrometeorite types, but also reveals changes in meteoroid propertie... VO - IS - SP - OP - KW - 115 Astronomy, Space science; Micrometeorite; Tomography, X-Ray Computed; Density; Porosity; Meteoroid N1 - PP - ER -