Formation of a c(2 × 2) overlayer of nitrogen on Pd(100) by NO + CO reaction or NO + H2 reaction

Taro Yamada, Iwao Matsuo, Junji Nakamura, Maosong Xie, Hideki Hirano, Yoshio Matsumoto, Ken Ichi Tanaka

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

A nitrogen overlayer (N(a)) was synthesized on Pd(100) by catalytic reduction of NO by CO or H2 in the total pressure range of 10-7-101 Torr at crystal temperatures higher than 500 K. The process of the formation of N(a) was monitored by AES, LEED, HREELS and TDS. N(a) formed a c(2 × 2) superlattice, and desorbed at 600-700 K. N(a) was hydrogenated by gas-phase H2. HREELS revealed the reversible formation of NHx(a) species on the surface.

Original languageEnglish
Pages (from-to)304-314
Number of pages11
JournalSurface Science
Volume231
Issue number3
DOIs
Publication statusPublished - 1990 May 3
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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