Chemical states of oxygen segregated intergranular fracture surfaces of molybdenum

Masaoki Oku, Shigeru Suzuki, Hiroaki Kurishita, Hideo Yoshinaga

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The Auger and electron energy loss spectra (EELS) of a grain boundary fracture plane of bicrystal molybdenum (32 wt.ppm oxygen) are compared with the spectra of pure and oxidized molybdenum. The Auger spectrum of the fracture surface contains molybdenum and oxygen peaks, and the Mo M4,5NN line coincides with that of the pure metal. The interfacial Auger transition peak is observed on the low energy side of the Mo N2,3VV Auger peak. Both AES and EELS spectra of the fracture plane are different from those of the oxidized molydenum. These results show that the segregated oxygen is bound to the grain boundary fracture plane as if it were adsorbed.

Original languageEnglish
Pages (from-to)42-50
Number of pages9
JournalApplied Surface Science
Volume26
Issue number1
DOIs
Publication statusPublished - 1986 Jan 1

ASJC Scopus subject areas

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

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