Ultrafast X-Ray Diffraction of Heterogeneous Solid Hydrogen [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 541.3 Miscellaneous topics in physical chemistry

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2015

Mô tả vật lý: Size: 5 p. : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 268203

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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