Study of the Vibrational Spectrum of Hydrogen Molecules in an Aerogel


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Abstract

The pressure dependence of the absorption spectrum of hydrogen molecules inside pores of an aerogel has been found. Two components with linear and quadratic pressure dependences have been revealed. It has been assumed that the first component can be attributed to the absorption of an individual molecule near the surface of pores, whereas the second component is due to intermolecular interaction. A method has been proposed to estimate in the first approximation the size of pores from the absorption spectrum.

About the authors

V. Yu. Lazebnykh

Irkutsk National Research Technical University

Author for correspondence.
Email: labvit@gmail.com
Russian Federation, Irkutsk, 664074

A. S. Mysovskii

Irkutsk National Research Technical University; Laboratory of Single Crystal Physics, Vinogradov Institute of Geochemistry, Siberian Branch

Email: labvit@gmail.com
Russian Federation, Irkutsk, 664074; Irkutsk, 664033

L. N. Sinitsa

Laboratory of Molecular Spectroscopy, Zuev Institute of Atmospheric Optics, Siberian Branch

Email: labvit@gmail.com
Russian Federation, Tomsk, 634055

A. A. Lugovskoi

Laboratory of Molecular Spectroscopy, Zuev Institute of Atmospheric Optics, Siberian Branch

Email: labvit@gmail.com
Russian Federation, Tomsk, 634055

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