Stability of a chemically bound helium compound in high-pressure solid helium

Z. Bihary; G. M. Chaban; R. B. Gerber

doi:10.1063/1.1506150

Stability of a chemically bound helium compound in high-pressure solid helium

Z. Bihary^*, G. M. Chaban, R. B. Gerber

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Stability of a chemically bound helium compound in high-pressure solid helium was analyzed. The compound decayed by tunneling through energy barriers in picosecond timescales into He+HF and H+He+F. The potential energy along the minimum energy paths for decomposition was evaluated and tunneling decay times were computed using WKB approximation. The results showed that for pressure above 500 MPa, decomposition into H+He+F was completely suppressed.

Original language	English
Pages (from-to)	5105-5108
Number of pages	4
Journal	Journal of Chemical Physics
Volume	117
Issue number	11
DOIs	https://doi.org/10.1063/1.1506150
State	Published - 15 Sep 2002

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title = "Stability of a chemically bound helium compound in high-pressure solid helium",

abstract = "Stability of a chemically bound helium compound in high-pressure solid helium was analyzed. The compound decayed by tunneling through energy barriers in picosecond timescales into He+HF and H+He+F. The potential energy along the minimum energy paths for decomposition was evaluated and tunneling decay times were computed using WKB approximation. The results showed that for pressure above 500 MPa, decomposition into H+He+F was completely suppressed.",

author = "Z. Bihary and Chaban, {G. M.} and Gerber, {R. B.}",

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AU - Bihary, Z.

AU - Chaban, G. M.

AU - Gerber, R. B.

PY - 2002/9/15

Y1 - 2002/9/15

N2 - Stability of a chemically bound helium compound in high-pressure solid helium was analyzed. The compound decayed by tunneling through energy barriers in picosecond timescales into He+HF and H+He+F. The potential energy along the minimum energy paths for decomposition was evaluated and tunneling decay times were computed using WKB approximation. The results showed that for pressure above 500 MPa, decomposition into H+He+F was completely suppressed.

AB - Stability of a chemically bound helium compound in high-pressure solid helium was analyzed. The compound decayed by tunneling through energy barriers in picosecond timescales into He+HF and H+He+F. The potential energy along the minimum energy paths for decomposition was evaluated and tunneling decay times were computed using WKB approximation. The results showed that for pressure above 500 MPa, decomposition into H+He+F was completely suppressed.

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Stability of a chemically bound helium compound in high-pressure solid helium

Abstract

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