Final Technical Report for Grant DE-FG02-04ER54795 | |
Merlino, Robert L1  | |
[1] Univ. of Iowa, Iowa City, IA (United States) | |
关键词: dusty plasmas; | |
DOI : 10.2172/1222207 RP-ID : DOE- Univ Iowa --1 PID : OSTI ID: 1222207 |
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学科分类:原子、分子光学和等离子物理 | |
美国|英语 | |
来源: SciTech Connect |
【 摘 要 】
This is the final technical report for DOE Grant #DE-FG02-04ER54795-Experimental Investigations of Fundamental Processes in Dusty Plasmas. A plasma is an ionized gas, and a dusty plasmas is a plasma that contains, in addition to electrons and ions, micron-sized dust particles. The dust particles acquire and electric charge in the plasma by collecting electrons and ions. The electrons move more rapidly than the ions, so the dust charge is negative. A 1 micron dust particle in a typical low temperature plasma has a charge corresponding to approximately 2000 electrons. Dusty plasmas are naturally found in astrophysical plasmas, planetary rings, technological plasmas, and magnetic fusion plasmas. The goal of this project was to study in the laboratory, the basic physical processes that occur in dusty plasmas. This report provides a summary of the major scientific products and activities of this award.
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