2012
DOI: 10.1029/2012je004077
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Impact ionization mass spectra of anorthite cosmic dust analogue particles

Abstract: Anorthite, the Ca‐rich end‐member of plagioclase feldspar, is a dominant mineral component of the Lunar highlands. Plagioclase feldspar is also found in comets, meteorites and stony asteroids. It is therefore expected to contribute to the population of interplanetary (and circumplanetary) dust grains within the solar system. After coating micron‐ and submicron‐sized grains of Anorthite with a conductive layer of Platinum, the mineral was successfully accelerated to hypervelocity speeds in the Max Planck Instit… Show more

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Cited by 16 publications
(18 citation statements)
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“…27,28 This effect was directly seen in ice particle measurements performed by the dust detector onboard the Cassini spacecraft at Saturn. This method has originally been designed for impact speeds in the order of 10 km s À1 or higher.…”
Section: Resultsmentioning
confidence: 93%
“…27,28 This effect was directly seen in ice particle measurements performed by the dust detector onboard the Cassini spacecraft at Saturn. This method has originally been designed for impact speeds in the order of 10 km s À1 or higher.…”
Section: Resultsmentioning
confidence: 93%
“…The creation of sum spectra can be useful in certain cases, e.g., for better visualization of weaker mass peaks in TOF spectra. If applied to the same type of material, or to a certain velocity range, such a procedure increases the signal-to-noise ratio and helps mitigate the effects from variable conditions during the impact ionization process, such as the variable plasma environment and the stochastic nature of the impact process, caused by surface roughness, or projectile size, shape, and orientation (Hillier et al, 2012).…”
Section: Resultsmentioning
confidence: 99%
“…At higher velocities, the kinetic energy of a particle per volume, i.e., the energy density, is higher. This leads to the break up of molecules and disappearance of the corresponding mass lines (e.g., Hillier et al, 2012). 27 u, 28 u, 40 u, and 56 u are present throughout the almost entire velocity range.…”
Section: Velocity Dependence Of Mass Linesmentioning
confidence: 98%
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