科技报告详细信息
Ultrafast X-Ray Diffraction of Heterogeneous Solid Hydrogen | |
Levitan, Abraham1  | |
[1] Olin College of Engineering, Needham, MA (United States) | |
关键词: X-RAY DIFFRACTION; HYDROGEN; FCC LATTICES; HCP LATTICES; APPROXIMATIONS; SOLIDS; KEV RANGE 01-10; JETS; ANISOTROPY; CRYSTAL STRUCTURE; SPECTRA; STRAINS OTHER; | |
DOI : 10.2172/1213144 RP-ID : SLAC-TN--15-054 PID : OSTI ID: 1213144 Others : TRN: US1500417 |
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学科分类:材料科学(综合) | |
美国|英语 | |
来源: SciTech Connect | |
【 摘 要 】
Angularly resolved x-ray diffraction at 5.5 keV establishes the structure of a 5 ??m diameter solid hydrogen jet, providing a foundation for analysis of hydrogen in a warm dense matter state. The jet was composed of approximately 65 % ?? 5% HCP and 35 % ?? 5% FCC by volume with an average crystallite size on the order of hundreds of nanometers. Broadening in the angularly resolved spectrum provided strong evidence for anisotropic strain up to approximately 3 % in the HCP lattice. Finally, we found no evidence for orientational ordering of the crystal domains.
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