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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/1249

Title: Vibrational behavior of the Mn+1AXn phases from first-order Raman scattering (M=Ti,V,Cr, A=Si, X=C,N)
Authors: Spanier, Jonathan E.
Gupta, Surojit
Amer, Maher
Barsoum, Michel W.
Keywords: Augmented-Wave Method;Ti3SIC2;Ti4ALN3;System
Issue Date: 21-Jan-2005
Publisher: The American Physical Society
Citation: Physical Review B: Condensed Matter and Materials Physics, 71(1): pp. 012103-1— 012103-4. Retrieved September 19, 2006 from http://www.mse.drexel.edu/max/pdf%20references/drexel_pdfs/papers/Vibrational%20behavior%20of%20MAX%20from%20first%20order%20raman.pdf. DOI: http://dx.doi.org/10.1103/PhysRevB.71.012103
Abstract: We report on the Raman spectra of Ti3SiC2 (312), M2AlC (211) (M=Ti, V, Cr, and Nb) and Ti4AlN3 (413), as representative compounds from the family of Mn+1AXn phases. Intense and narrow first-order Raman peaks are observed, and we present an analysis of the spectra based on symmetry considerations and from results of first-principles calculations of phonon frequencies. The agreement between experimental and calculated mode energies is excellent. The identification of the modes enables application of Raman scattering as a diagnostic tool for the detailed study of the structural and physical properties of this family of compounds and their engineered solid solutions.
URI: http://hdl.handle.net/1860/1249
Appears in Collections:Faculty Research and Publications (MSE)

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