Infrared spectrum of p-hydrogen crystals ionized by 3 MeV electrons:: Cluster ions of hydrogen in condensed phase

被引:33
作者
Chan, MC
Okumura, M
Oka, T
机构
[1] Univ Chicago, Enrico Fermi Inst, Dept Chem, Chicago, IL 60637 USA
[2] Univ Chicago, Enrico Fermi Inst, Dept Astron & Astrophys, Chicago, IL 60637 USA
关键词
D O I
10.1021/jp993890h
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
High purity p-H(2) crystals have been ionized by 3 MeV electron beams from a van de Graaff accelerator, and their infrared spectra have been studied from 1800 to 8000 cm(-1) using a Fourier transform infrared spectrometer. Out of 16 spectral lines induced by the electron bombardment, 5 lines have been assigned to p-H(2) spectral lines that are induced by the electric field of charges deposited in the ionized crystal. The stability of such spectral lines several hours after electron bombardment demonstrates the stability of charges in the crystal. A mechanism of stabilization of positive and negative charges as cation clusters H(3)(+)(H(2))(n) and anion clusters H(-)(H(2))(n), respectively, is proposed.
引用
收藏
页码:3775 / 3779
页数:5
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