كتاب
Modeling Planetary Interiors in Laser Based Experiments Using Shockless Compression.
| العنوان: | Modeling Planetary Interiors in Laser Based Experiments Using Shockless Compression. |
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| المؤلفون: | Lebedev, Sergey V., Hawreliak, J., Colvin, J., Eggert, J., Kalantar, D. H., Lorenzana, H. E., Pollaine, S., Rosolankova, K., Remington, B. A., Stölken, J., Wark, J. S. |
| المصدر: | High Energy Density Laboratory Astrophysics (9781402060540); 2007, p285-289, 5p |
| مستخلص: | X-ray diffraction is a widely used technique for measuring the crystal structure of a compressed material. Recently, short pulse x-ray sources have been used to measure the crystal structure in-situ while a sample is being dynamically loaded. To reach the ultra high pressures that are unattainable in static experiments at temperatures lower than using shock techniques, shockless quasi-isentropic compression is required. Shockless compression has been demonstrated as a successful means of accessing high pressures. The National Ignition Facility (NIF), which will begin doing high pressure material science in 2010, it should be possible to reach over 2 TPa quasi-isentropically. This paper outlines how x-ray diffraction could be used to study the crystal structure in laser driven, shocklessly compressed targets the same way it has been used in shock compressed samples. A simulation of a shockless laser driven iron is used to generate simulated diffraction signals, and recent experimental results are presented. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: | Supplemental Index |
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