Energy-dispersed near-edge xray absorption fine structure: A new technique to study dynamic surface processes

Hiroshi Kondoh, K. Amemiya, I. Nakai, M. Nagasaka, A. Nambu, T. Shimada, T. Yokoyama, T. Ohta

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

We have recently developed a new type of near-edge x-ray absorption fine structure (NEXAFS) technique, "dispersive-NEXAFS" by using energy-dispersed x-rays and a position-sensitive electron-energy analyzer. With this technique a NEXAFS spectrum is taken in a one-shot manner without scanning photon energy resulting in a typical data acquisition time of several tens seconds. This enables to monitor the dynamic surface processes such as film growth and surface reaction. As examples of such applications, we present kinetics studies of catalytic oxidation reactions on the platinum (111) surfaces. Future possible improvements of this technique are also addressed.

Original languageEnglish
Title of host publicationPhysica Scripta T
Pages88-92
Number of pages5
VolumeT115
DOIs
Publication statusPublished - 2005
Externally publishedYes
Event12th X-ray Absorption Fine Structure International Conference, XAFS12 - Malmo, Sweden
Duration: 2003 Jun 232003 Jun 27

Other

Other12th X-ray Absorption Fine Structure International Conference, XAFS12
CountrySweden
CityMalmo
Period03/6/2303/6/27

Fingerprint

x ray absorption
fine structure
surface reactions
shot
data acquisition
energy
analyzers
platinum
electron energy
oxidation
scanning
kinetics
photons
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kondoh, H., Amemiya, K., Nakai, I., Nagasaka, M., Nambu, A., Shimada, T., ... Ohta, T. (2005). Energy-dispersed near-edge xray absorption fine structure: A new technique to study dynamic surface processes. In Physica Scripta T (Vol. T115, pp. 88-92) https://doi.org/10.1238/Physica.Topical.115a00088

Energy-dispersed near-edge xray absorption fine structure : A new technique to study dynamic surface processes. / Kondoh, Hiroshi; Amemiya, K.; Nakai, I.; Nagasaka, M.; Nambu, A.; Shimada, T.; Yokoyama, T.; Ohta, T.

Physica Scripta T. Vol. T115 2005. p. 88-92.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kondoh, H, Amemiya, K, Nakai, I, Nagasaka, M, Nambu, A, Shimada, T, Yokoyama, T & Ohta, T 2005, Energy-dispersed near-edge xray absorption fine structure: A new technique to study dynamic surface processes. in Physica Scripta T. vol. T115, pp. 88-92, 12th X-ray Absorption Fine Structure International Conference, XAFS12, Malmo, Sweden, 03/6/23. https://doi.org/10.1238/Physica.Topical.115a00088
Kondoh, Hiroshi ; Amemiya, K. ; Nakai, I. ; Nagasaka, M. ; Nambu, A. ; Shimada, T. ; Yokoyama, T. ; Ohta, T. / Energy-dispersed near-edge xray absorption fine structure : A new technique to study dynamic surface processes. Physica Scripta T. Vol. T115 2005. pp. 88-92
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