High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization

Yasutaka Takata; Koji Horiba; Masaharu Matsunami; Shik Shin; Makina Yabashi; Kenji Tamasaku; Yoshinori Nishino; Daigo Miwa; Tetsuya Isikawa; Eiji Ikenaga; Keisuke Kobayashi; Masashi Arita; Kenya Shimada; Hirofumi Namatame; Masaki Taniguchi; Hiroshi Nohira; Takeo Hattori; Sven Södergren; Björn Wannberg

doi:10.1063/1.2436371

High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization

Yasutaka Takata, Koji Horiba, Masaharu Matsunami, Shik Shin, Makina Yabashi, Kenji Tamasaku, Yoshinori Nishino, Daigo Miwa, Tetsuya Isikawa, Eiji Ikenaga, Keisuke Kobayashi, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Hiroshi Nohira, Takeo Hattori, Sven Södergren, Björn Wannberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

Photoemission Spectroscopy (PES) is a powerful method to investigate electronic structure of materials. However, conventional vacuum ultraviolet (VUV) and soft x-ray (SX) PES is surface sensitive because of the short inelastic-mean-free-paths of photoelectrons. This requires us to prepare clean surface and sometimes obscures intrinsic bulk states. In order to realize bulk-sensitive or surface-insensitive PES, we have developed hard x-ray (HX) PES using high-brilliance synchrotron radiation at BL29XU in SPring-8. Large probing depth of high energy photoelectrons enables us to probe intrinsic bulk states almost free from surface condition. A combination of x-ray optics and an electron energy analyzer dedicated for HX-PES achieved the total instrumental energy resolution of 63 and 55 meV (FWHM) at 5.95 and 7.94 keV, respectively. A special arrangement of an analyzer and a sample was employed and increased photoelectron intensity drastically. We describe present performance of our apparatus and characterize HX-PES by showing typical spectra.

Original language	English
Title of host publication	SYNCHROTRON RADIATION INSTRUMENTATION
Subtitle of host publication	Ninth International Conference on Synchrotron Radiation Instrumentation
Pages	1597-1602
Number of pages	6
DOIs	https://doi.org/10.1063/1.2436371
Publication status	Published - 2007 Mar 26
Event	SYNCHROTRON RADIATION INSTRUMENTATION: 9th International Conference on Synchrotron Radiation Instrumentation - Daegu, Korea, Republic of Duration: 2006 May 28 → 2006 Jun 28

Publication series

Name	AIP Conference Proceedings
Volume	879
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	SYNCHROTRON RADIATION INSTRUMENTATION: 9th International Conference on Synchrotron Radiation Instrumentation
Country/Territory	Korea, Republic of
City	Daegu
Period	06/5/28 → 06/6/28

Keywords

Electronic structure
Hard X-ray
Photoemission spectroscopy

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Ecology
Plant Science
Physics and Astronomy(all)
Nature and Landscape Conservation

Access to Document

10.1063/1.2436371

Cite this

Takata, Y., Horiba, K., Matsunami, M., Shin, S., Yabashi, M., Tamasaku, K., Nishino, Y., Miwa, D., Isikawa, T., Ikenaga, E., Kobayashi, K., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Nohira, H., Hattori, T., Södergren, S., & Wannberg, B. (2007). High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization. In SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation (pp. 1597-1602). (AIP Conference Proceedings; Vol. 879). https://doi.org/10.1063/1.2436371

High resolution hard X-ray photoemission spectroscopy at SPring-8 : Basic performance and characterization. / Takata, Yasutaka; Horiba, Koji; Matsunami, Masaharu; Shin, Shik; Yabashi, Makina; Tamasaku, Kenji; Nishino, Yoshinori; Miwa, Daigo; Isikawa, Tetsuya; Ikenaga, Eiji; Kobayashi, Keisuke; Arita, Masashi; Shimada, Kenya; Namatame, Hirofumi; Taniguchi, Masaki; Nohira, Hiroshi; Hattori, Takeo; Södergren, Sven; Wannberg, Björn.

SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation. 2007. p. 1597-1602 (AIP Conference Proceedings; Vol. 879).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Takata, Y, Horiba, K, Matsunami, M, Shin, S, Yabashi, M, Tamasaku, K, Nishino, Y, Miwa, D, Isikawa, T, Ikenaga, E, Kobayashi, K, Arita, M, Shimada, K, Namatame, H, Taniguchi, M, Nohira, H, Hattori, T, Södergren, S & Wannberg, B 2007, High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization. in SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation. AIP Conference Proceedings, vol. 879, pp. 1597-1602, SYNCHROTRON RADIATION INSTRUMENTATION: 9th International Conference on Synchrotron Radiation Instrumentation, Daegu, Korea, Republic of, 06/5/28. https://doi.org/10.1063/1.2436371

Takata Y, Horiba K, Matsunami M, Shin S, Yabashi M, Tamasaku K et al. High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization. In SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation. 2007. p. 1597-1602. (AIP Conference Proceedings). https://doi.org/10.1063/1.2436371

Takata, Yasutaka ; Horiba, Koji ; Matsunami, Masaharu ; Shin, Shik ; Yabashi, Makina ; Tamasaku, Kenji ; Nishino, Yoshinori ; Miwa, Daigo ; Isikawa, Tetsuya ; Ikenaga, Eiji ; Kobayashi, Keisuke ; Arita, Masashi ; Shimada, Kenya ; Namatame, Hirofumi ; Taniguchi, Masaki ; Nohira, Hiroshi ; Hattori, Takeo ; Södergren, Sven ; Wannberg, Björn. / High resolution hard X-ray photoemission spectroscopy at SPring-8 : Basic performance and characterization. SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation. 2007. pp. 1597-1602 (AIP Conference Proceedings).

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abstract = "Photoemission Spectroscopy (PES) is a powerful method to investigate electronic structure of materials. However, conventional vacuum ultraviolet (VUV) and soft x-ray (SX) PES is surface sensitive because of the short inelastic-mean-free-paths of photoelectrons. This requires us to prepare clean surface and sometimes obscures intrinsic bulk states. In order to realize bulk-sensitive or surface-insensitive PES, we have developed hard x-ray (HX) PES using high-brilliance synchrotron radiation at BL29XU in SPring-8. Large probing depth of high energy photoelectrons enables us to probe intrinsic bulk states almost free from surface condition. A combination of x-ray optics and an electron energy analyzer dedicated for HX-PES achieved the total instrumental energy resolution of 63 and 55 meV (FWHM) at 5.95 and 7.94 keV, respectively. A special arrangement of an analyzer and a sample was employed and increased photoelectron intensity drastically. We describe present performance of our apparatus and characterize HX-PES by showing typical spectra.",

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AB - Photoemission Spectroscopy (PES) is a powerful method to investigate electronic structure of materials. However, conventional vacuum ultraviolet (VUV) and soft x-ray (SX) PES is surface sensitive because of the short inelastic-mean-free-paths of photoelectrons. This requires us to prepare clean surface and sometimes obscures intrinsic bulk states. In order to realize bulk-sensitive or surface-insensitive PES, we have developed hard x-ray (HX) PES using high-brilliance synchrotron radiation at BL29XU in SPring-8. Large probing depth of high energy photoelectrons enables us to probe intrinsic bulk states almost free from surface condition. A combination of x-ray optics and an electron energy analyzer dedicated for HX-PES achieved the total instrumental energy resolution of 63 and 55 meV (FWHM) at 5.95 and 7.94 keV, respectively. A special arrangement of an analyzer and a sample was employed and increased photoelectron intensity drastically. We describe present performance of our apparatus and characterize HX-PES by showing typical spectra.

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High resolution hard X-ray photoemission spectroscopy at SPring-8: Basic performance and characterization

Abstract

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