Space weathering simulations through controlled growth of iron nanoparticles on olivine

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F14%3A10284741" target="_blank" >RIV/00216208:11310/14:10284741 - isvavai.cz</a>
Alternative codes found
RIV/67985831:_____/14:00430060 RIV/61989592:15310/14:33151792
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0019103514001961" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0019103514001961</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.icarus.2014.04.004" target="_blank" >10.1016/j.icarus.2014.04.004</a>

Result language
angličtina
Original language name
Space weathering simulations through controlled growth of iron nanoparticles on olivine
Original language description
Airless planetary bodies are directly exposed to space weathering. The main spectral effects of space weathering are darkening, reduction in intensity of silicate mineral absorption bands, and an increase in the spectral slope towards longer wavelengths(reddening). Production of nanophase metallic iron (npFe(0)) during space weathering plays major role in these spectral changes. A laboratory procedure for the controlled production of npFe(0) in silicate mineral powders has been developed. The method isbased on a two-step thermal treatment of low-iron olivine, first in ambient air and then in hydrogen atmosphere. Through this process, a series of olivine powder samples was prepared with varying amounts of npFe(0) in the 7-20 nm size range. A logarithmic trend is observed between amount of npFe(0) and darkening, reduction of 1 gm olivine absorption band, reddening, and 1 gm band width. Olivine with a population of physically larger npFe(0) particles follows spectral trends similar to o
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BN - Astronomy and celestial mechanics, astrophysics
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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