Hydrogen atoms in impurity-helium solids

被引：36
|
作者：
Kiselev, SI [1 ]
Khmelenko, VV [1 ]
Lee, DM [1 ]
机构：
[1] Cornell Univ, Atom & Solid State Phys Lab, Ithaca, NY 14853 USA
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 17期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1103/PhysRevLett.89.175301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Electron spin resonance (ESR) is employed to study atomic impurities (H and D) stabilized in impurity-helium (Im-He) solids at 1.35-1.5 K. The kinetics of the low temperature tunneling exchange reactions (D+H-2-->H+HD, D+HD-->H+D-2) are investigated in Im-He samples containing several different mixtures of hydrogen and deuterium impurities. The ESR line structures help determine the local environment of atoms trapped in Im-He solids. High concentrations of atomic hydrogen stored in Im-He solids may ultimately find applications in energy storage, matrix-isolation spectroscopy, and studies of different quantum statistical effects.
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页数：4
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