Complexities at the Au/ZrS3(001) interface probed by x-ray photoemission spectroscopy

Archit Dhingra, Alexey Lipatov, Alexander Sinitskii, Peter A. Dowben

Research output: Contribution to journalArticlepeer-review

Abstract

Interaction between the Au adlayers and ZrS3(001) has been examined via x-ray photoemission spectroscopy (XPS). The angle-resolved XPS measurements reveal that ZrS3(001) is disulfide (S22-) terminated and the Au thickness-dependent XPS indicates that the observed band bending, for low Au coverage, is consistent with formation of a Schottky barrier at the Au/ZrS3(001) interface. This band bending, however, appears to be suppressed as the thickness of Au adlayer is increased, indicating varying interfacial interactions at the Au/ZrS3(001) interface. Such complex interface effects between Au and ZrS3(001) may explain the observed non-ohmic I-V characteristics for a ZrS3-based device, and could suppress current injection.

Original languageEnglish (US)
Article number434001
JournalJournal of Physics Condensed Matter
Volume33
Issue number43
DOIs
StatePublished - Oct 2021

Keywords

  • 2D materials
  • quasi-1D trichalcogenides
  • Schottky-barrier formation

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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