Infrared Studies of Ar(H2)2 at Low Temperature and High Pressure

被引：0
|
作者：
L. Ulivi
R. Bini
H. J. Jodl
P. Loubeyre
R. LeToullec
F. Datchi
机构：
[1] IEQ,Laboratorio di Spettroscopia Molecolare, Dip. di Chimica
[2] Istituto di Elettronica Quantistica,Fachbereich Physik
[3] CNR,Physique des Milieux Consensés
[4] LENS,undefined
[5] Laboratorio di Spettroscopie non–Lineari,undefined
[6] Università di Firenze,undefined
[7] Universität,undefined
[8] Université P. et M. Curie,undefined
来源：
Journal of Low Temperature Physics | 1998年 / 111卷
关键词：
Hydrogen; High Pressure; Magnetic Material; Infrared Absorption; Vibrational Band;
D O I：
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学科分类号：
摘要：
An extensive infrared absorption study of the compound Ar(H2)2in the range of pressure from 5 to 30 GPa, and between 30 K and room temperature is presented. This study has permitted the identification and assignment of high–frequency and low frequency vibron–phonon combination bands, as well as of the roto–vibrational bands. Spectra changes lowering temperature, with the appearance of the Q1(0) vibrational peak, are interpreted as arising from conversion of ortho–hydrogen into para–hydrogen in the solid.
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页码：703 / 708
页数：5
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