Desorption dynamics in N2O decomposition on Pd(110)

Yuichi Ohno, Ivan Kobal, Hideyuki Horino, Izabela Rzeznicka, Tatsuo Matsushima

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The decomposition of N2O was studied on Pd(110) through analysis of the angular and velocity distributions of desorbing products by means of angle-resolved thermal desorption combined with time-of-flight techniques. Both desorption and decomposition of N2O(a) were completed below 170 K, simultaneously emitting N2. N2 showed two desorption peaks, β1-N2 at 152 K and β2-N2 at 134-140 K. The former revealed an inclined emission at ±43° off the normal in a plane along the (001) direction and a hyper-thermal translational energy, whereas the latter showed a cosine angular distribution without an excess translational energy. Different desorption channels were proposed to yield these desorption.

Original languageEnglish
Pages (from-to)273-276
Number of pages4
JournalApplied Surface Science
Volume169-170
DOIs
Publication statusPublished - 2001 Jan 15

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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