C24Cs samples containing oriented N2 molecules

Y. Finkelstein; R. Moreh; D. Nemirovsky; O. Shahal; F. Beguin; L. Duclaux

doi:10.1557/JMR.1999.0420

C₂₄Cs samples containing oriented N₂ molecules

Y. Finkelstein, R. Moreh, D. Nemirovsky, O. Shahal, F. Beguin, L. Duclaux

Department of Physics

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

3 Scopus citations

Abstract

The adsorption of N₂ molecules inside C₂₄Cs has been studied in detail as a function of temperature and pressure using n-diffraction and nuclear resonance photon scattering (NRPS). Large differences were observed between samples derived from highly oriented pyrolytic graphite and those prepared from graphite powder. The tilt angle of the N₂ molecular axis was determined by using NRPS and found to lay nearly parallel to the graphite planes. The amount of adsorbed N₂ increased with decreasing temperatures, reaching saturation composition C₂₄Cs(N₂)_1.5 at approximately 100 K with an initial N₂ pressure of 2 bar. At higher pressure, 9 bar, two new phases were formed: a second stage C₃₂Cs(N₂)_2.1 and a first stage C₁₆Cs(N₂)_1.8 at T<170 K and are discussed in detail.

Original language	English
Pages (from-to)	3130-3137
Number of pages	8
Journal	Journal of Materials Research
Volume	14
Issue number	7
DOIs	https://doi.org/10.1557/JMR.1999.0420
State	Published - 1 Jan 1999

ASJC Scopus subject areas

Materials Science (all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "C24Cs samples containing oriented N2 molecules",

abstract = "The adsorption of N2 molecules inside C24Cs has been studied in detail as a function of temperature and pressure using n-diffraction and nuclear resonance photon scattering (NRPS). Large differences were observed between samples derived from highly oriented pyrolytic graphite and those prepared from graphite powder. The tilt angle of the N2 molecular axis was determined by using NRPS and found to lay nearly parallel to the graphite planes. The amount of adsorbed N2 increased with decreasing temperatures, reaching saturation composition C24Cs(N2)1.5 at approximately 100 K with an initial N2 pressure of 2 bar. At higher pressure, 9 bar, two new phases were formed: a second stage C32Cs(N2)2.1 and a first stage C16Cs(N2)1.8 at T<170 K and are discussed in detail.",

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T1 - C24Cs samples containing oriented N2 molecules

AU - Finkelstein, Y.

AU - Moreh, R.

AU - Nemirovsky, D.

AU - Shahal, O.

AU - Beguin, F.

AU - Duclaux, L.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - The adsorption of N2 molecules inside C24Cs has been studied in detail as a function of temperature and pressure using n-diffraction and nuclear resonance photon scattering (NRPS). Large differences were observed between samples derived from highly oriented pyrolytic graphite and those prepared from graphite powder. The tilt angle of the N2 molecular axis was determined by using NRPS and found to lay nearly parallel to the graphite planes. The amount of adsorbed N2 increased with decreasing temperatures, reaching saturation composition C24Cs(N2)1.5 at approximately 100 K with an initial N2 pressure of 2 bar. At higher pressure, 9 bar, two new phases were formed: a second stage C32Cs(N2)2.1 and a first stage C16Cs(N2)1.8 at T<170 K and are discussed in detail.

AB - The adsorption of N2 molecules inside C24Cs has been studied in detail as a function of temperature and pressure using n-diffraction and nuclear resonance photon scattering (NRPS). Large differences were observed between samples derived from highly oriented pyrolytic graphite and those prepared from graphite powder. The tilt angle of the N2 molecular axis was determined by using NRPS and found to lay nearly parallel to the graphite planes. The amount of adsorbed N2 increased with decreasing temperatures, reaching saturation composition C24Cs(N2)1.5 at approximately 100 K with an initial N2 pressure of 2 bar. At higher pressure, 9 bar, two new phases were formed: a second stage C32Cs(N2)2.1 and a first stage C16Cs(N2)1.8 at T<170 K and are discussed in detail.

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C₂₄Cs samples containing oriented N₂ molecules

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