Capability of insulator study by photoemission electron microscopy at SPring-8

Takuo Ohkochi, Masato Kotsugi, Keisuke Yamada, Kenji Kawano, Koji Horiba, Fumio Kitajima, Masaki Oura, Susumu Shiraki, Taro Hitosugi, Masaharu Oshima, Teruo Ono, Toyohiko Kinoshita, Takayuki Muro, Yoshio Watanabe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The observation method of photoemission electron microscopy (PEEM) on insulating samples has been established in an extremely simple way. Surface conductivity is induced locally on an insulating surface by continuous radiation of soft X-rays, and Au films close to the area of interest allow the accumulated charges on the insulated area to be released to ground level. Magnetic domain observations of a NiZn ferrite, local X-ray absorption spectroscopy of sapphire, high-resolution imaging of a poorly conducting Li0.9CoO2 film surface, and Au pattern evaporation on a fine rock particle are demonstrated. Using this technique, all users' experiments on poorly conducting samples have been performed successfully at the PEEM experimental station of SPring-8.

Original languageEnglish
Pages (from-to)620-625
Number of pages6
JournalJournal of Synchrotron Radiation
Volume20
Issue number4
DOIs
Publication statusPublished - Jul 1 2013

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Photoemission
Electron microscopy
electron microscopy
photoelectric emission
insulators
conduction
Magnetic domains
Conductive films
X ray absorption spectroscopy
magnetic domains
Sapphire
continuous radiation
Ferrite
ferrites
absorption spectroscopy
Evaporation
sapphire
x rays
stations
Rocks

All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Capability of insulator study by photoemission electron microscopy at SPring-8. / Ohkochi, Takuo; Kotsugi, Masato; Yamada, Keisuke; Kawano, Kenji; Horiba, Koji; Kitajima, Fumio; Oura, Masaki; Shiraki, Susumu; Hitosugi, Taro; Oshima, Masaharu; Ono, Teruo; Kinoshita, Toyohiko; Muro, Takayuki; Watanabe, Yoshio.

In: Journal of Synchrotron Radiation, Vol. 20, No. 4, 01.07.2013, p. 620-625.

Research output: Contribution to journalArticle

Ohkochi, T, Kotsugi, M, Yamada, K, Kawano, K, Horiba, K, Kitajima, F, Oura, M, Shiraki, S, Hitosugi, T, Oshima, M, Ono, T, Kinoshita, T, Muro, T & Watanabe, Y 2013, 'Capability of insulator study by photoemission electron microscopy at SPring-8', Journal of Synchrotron Radiation, vol. 20, no. 4, pp. 620-625. https://doi.org/10.1107/S0909049513012508
Ohkochi, Takuo ; Kotsugi, Masato ; Yamada, Keisuke ; Kawano, Kenji ; Horiba, Koji ; Kitajima, Fumio ; Oura, Masaki ; Shiraki, Susumu ; Hitosugi, Taro ; Oshima, Masaharu ; Ono, Teruo ; Kinoshita, Toyohiko ; Muro, Takayuki ; Watanabe, Yoshio. / Capability of insulator study by photoemission electron microscopy at SPring-8. In: Journal of Synchrotron Radiation. 2013 ; Vol. 20, No. 4. pp. 620-625.
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