Structure of the p(2×3) Ni(110)-N surface studied by scanning tunneling microscopy

Naoki Takehiro, Yuji Matsumoto, Yuji Okawa, Ken ichi Tanaka

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

A p(2×3) Ni(110)-N surface was studied by scanning tunneling microscopy. A coupled string overlays on the three Ni rows in the [11¯0] direction on the Ni(110) surface, and the line is resolved in atomic periodicity of 2.5 Å distance along the [11¯0] direction. These atomic structures correspond to the p(2×3) Ni(110)-N surface. The sites for N and/or Ni atoms were deduced by using a guide of the (-Ni-O-) chains on the Ni(110) surface, which suggests that the N atoms are on the threefold sites with two Ni atoms and one subsurface Ni atom. When a p(2×3) Ni(110)-N surface is exposed to H atoms, a bright dumbbell-shape pattern appeared at the terminal edge of the (Ni-N) domains, which may correspond to the formation of NH species. Based on these results, a structure model was proposed, which model is in good agreement with the experimental results of surface-extended x-ray-absorption fine structure and low-energy impact-collision ion-scattering spectroscopy.

Original languageEnglish
Pages (from-to)4094-4098
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume53
Issue number7
DOIs
Publication statusPublished - 1996 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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