Oxidation of the 8 × 8-reconstructed β-Si 3 N 4 (0 0 0 1) surface: A photoemission study

R. Flammini, A. Bellucci, F. Wiame, R. Belkhou, M. Carbone, D. M. Trucchi, S. Colonna, F. Ronci, M. Hajlaoui, M. G. Silly, F. Sirotti

Research output: Contribution to journalArticlepeer-review

Abstract

The thermal oxidation of the β-Si 3 N 4 (0 0 0 1)-8 × 8 surface has been carried out. The spectroscopic characterization has been performed by high resolution core-level and by angle-resolved photoemission spectroscopy. Our findings demonstrate that the surface shows a low but clear reactivity with oxygen. The known resonance ascribed to the 8 × 8 reconstruction results strongly affected by the oxygen dosing, demonstrating the involvement of the topmost nitride atoms.

Original languageEnglish
Pages (from-to)93-97
Number of pages5
JournalApplied Surface Science
Volume355
DOIs
Publication statusPublished - 15 Nov 2015
Externally publishedYes

Keywords

  • ARPES
  • Nitridation
  • Oxidation
  • Resonance
  • Silicon nitride

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