On Raman scattering from selected M2AC compounds

On Raman scattering from selected M2AC compounds

We report on the one-phonon Raman scattering spectra from the following M2AC MAX-phase ternary carbides: Ti2AlC, V2AlC, Cr2AlC, Nb2AlC, Ta2AlC, Ti2InC, Hf2InC, V2GeC, Cr2GeC, V2AsC, and Nb2AsC. We also report the results of calculations of the Γ-point, Raman-active phonon energies for these phases b...

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Veröffentlicht in:Journal of materials research 2007-10, Vol.22 (10), p.2651-2654
Hauptverfasser: Leaffer, Oren D., Gupta, Surojit, Barsoum, Michel W., Spanier, Jonathan E.
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container_end_page 2654
container_issue 10
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container_title Journal of materials research
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creator Leaffer, Oren D.
Gupta, Surojit
Barsoum, Michel W.
Spanier, Jonathan E.
description We report on the one-phonon Raman scattering spectra from the following M2AC MAX-phase ternary carbides: Ti2AlC, V2AlC, Cr2AlC, Nb2AlC, Ta2AlC, Ti2InC, Hf2InC, V2GeC, Cr2GeC, V2AsC, and Nb2AsC. We also report the results of calculations of the Γ-point, Raman-active phonon energies for these phases based on density functional theoretical simulations, including the effect of the k-point sampling on the convergence of phonon energies. Good agreement between all measured and calculated Γ-point Raman-active optical phonon energies is obtained.
doi_str_mv 10.1557/JMR.2007.0376
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We also report the results of calculations of the Γ-point, Raman-active phonon energies for these phases based on density functional theoretical simulations, including the effect of the k-point sampling on the convergence of phonon energies. 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Metal
Raman spectroscopy
title On Raman scattering from selected M2AC compounds
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