Study of the initial adsorption state of tetracene on Ru( 10(1)over-bar0)

Han Huang, Fei Song, Hanjie Zhang, Weidong Dou, Haiyang Li, Pimo He, Shining Bao, Qiao Chen, Wuzong Zhou

Research output: Contribution to journalArticlepeer-review

Abstract

Tetracene on the Ru( 10 (1) over bar0) surface has been investigated by ultraviolet photoemission spectroscopy ( UPS). The UPS results show features, from tetracene, between 2.0 and 10.0 eV below the Fermi level, and their shift in binding energy with increasing coverage. Angle-resolved UPS (ARUPS) results indicate that the molecular plane of tetracene near the interface is parallel to the substrate. Moreover, an ab initio calculation has also been carried out to determine the favourable adsorption structure. Temperature-dependent UPS measurements show that tetracene is stable on the Ru( 10 (1) over bar0) surface up to 150 degrees C.

Original languageEnglish
Pages (from-to)296202
Number of pages8
JournalJournal of Physics: Condensed Matter
Volume19
Issue number29
DOIs
Publication statusPublished - 25 Jul 2007

Keywords

  • MOLECULAR-ORBITAL METHODS
  • SURFACE
  • FILMS
  • PERYLENE
  • PENTACENE
  • RU(0001)
  • AG(110)
  • GROWTH
  • STM

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