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Calculation of core-level excitation in some MAX-phase compounds

Journal of Applied Physics, ISSN: 0021-8979, Vol: 114, Issue: 2
2013
  • 11
    Citations
  • 0
    Usage
  • 17
    Captures
  • 0
    Mentions
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    17

Conference Paper Description

We report first-principles spectroscopic calculation of core level excitations in five MAX-phase compounds. The spectra of Ti-K edges in Ti AlC and TiAlN, C-K edge in TiAlC, N-K edge in TiAlN, and Nb-K edge in NbAlC are calculated and found to be in good agreement with reported experimental measurements. Based on this agreement, the Al-K and Al-L edges in the same five phases plus the Cr-K and C-K edges in CrAlC and the C-K edge in Nb AlC are calculated as theoretical predictions. We further analyze the anisotropy in the calculated spectra to gain additional insights on the structure-properties relationships in these MAX-phase compounds. These results are further discussed in the context of the local atomic environments of the M, A, and X elements in MAX-phase compounds and in relation to their fundamental electronic structures. © 2013 AIP Publishing LLC.

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