Preparation and infrared property of BeH<sub>2</sub> film

zhang jiqiang; luo jiangshan; luo bingchi; wu weidong

Volume 23 Issue 05

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(05): 0-

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

Citation:

zhang jiqiang, luo jiangshan, luo bingchi, et al. Preparation and infrared property of BeH₂ film[J]. High Power Laser and Particle Beams, 2011, 23.

Yan Hong, Ye Yidong, Lu Fei, et al. Coherent beam combining based on polarization phase discrimination[J]. High Power Laser and Particle Beams, 2013, 25: 5-8.

Citation:

zhang jiqiang, luo jiangshan, luo bingchi, et al. Preparation and infrared property of BeH₂ film[J]. High Power Laser and Particle Beams, 2011, 23.

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Preparation and infrared property of BeH₂ film

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China

Publish Date: 2011-05-11

Abstract

Abstract

Transparent BeH2 films have been prepared with vaporized beryllium atoms reacting with active hydrogen atoms. Scanning electron microscopy photographs show that the surfaces of BeH2 films have microvoids, and the infrared spectrum reveals an intense absorption band at 722 cm-1. BeH2 reticular structures based on tetrahedron structure have been calculated by density functional theory method. The frequency and intensity of three vibration modes obtained from the calculations are in reasonably good agreement with those observed in references for BeH2 powders. The calculated frequency of Be－H－Be bond bending vibrations is 747 cm-1, which is consistent with the measured IR absorption band of BeH2 films in this paper. It can be speculated that the structures of BeH2 films
- beh2 films,
- infrared spectra,
- vibration modes,
- density functional theory

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