Eu K-XAFS of europium dioxymonocyanamide with the conversion He+ ion yield method

Masao Takahashi; Makoto Harada; Iwao Watanabe; Tomoya Uruga; Hajime Tanida; Yasuhiro Yoneda; Shuichi Emura; Tsunehiro Tanaka; Hidekazu Kimura; Yoshihiro Kubozono; Shinichi Kikkawa

doi:10.1107/S0909049599001491

Eu K-XAFS of europium dioxymonocyanamide with the conversion He⁺ ion yield method

Masao Takahashi, Makoto Harada, Iwao Watanabe, Tomoya Uruga, Hajime Tanida, Yasuhiro Yoneda, Shuichi Emura, Tsunehiro Tanaka, Hidekazu Kimura, Yoshihiro Kubozono, Shinichi Kikkawa

Research Institute for Interdisciplinary Science

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Conversion He⁺ ion yield (HIY) XAFS measurement, in which He⁺ ion is collected using the conversion electron yield (CEY) cell under atmospheric He gas environment, has been attempted at Eu K-absorption edge (48.5keV) for europium dioxymonocyanamide. The shape of Eu K-XAFS spectrum measured by the HIY method was similar to that measured by the conventional transmission method, while the signal-to-background ratio decreased with an increase in absorption edge energy, owing to low Auger electron emission probability. The evidences suggest that the HIY method is still applicable to the XAFS measurement for materials which could not be pulverized at such higher energy region.

Original language	English
Pages (from-to)	222-224
Number of pages	3
Journal	Journal of Synchrotron Radiation
Volume	6
Issue number	3
DOIs	https://doi.org/10.1107/S0909049599001491
Publication status	Published - May 1 1999

Keywords

Conversion He
Conversion electron yield
Europium dioxymonocyanamide
Ion yield

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Instrumentation

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Eu K-XAFS of europium dioxymonocyanamide with the conversion He⁺ ion yield method. / Takahashi, Masao; Harada, Makoto; Watanabe, Iwao; Uruga, Tomoya; Tanida, Hajime; Yoneda, Yasuhiro; Emura, Shuichi; Tanaka, Tsunehiro; Kimura, Hidekazu; Kubozono, Yoshihiro; Kikkawa, Shinichi.

In: Journal of Synchrotron Radiation, Vol. 6, No. 3, 01.05.1999, p. 222-224.

Research output: Contribution to journal › Article › peer-review

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abstract = "Conversion He+ ion yield (HIY) XAFS measurement, in which He+ ion is collected using the conversion electron yield (CEY) cell under atmospheric He gas environment, has been attempted at Eu K-absorption edge (48.5keV) for europium dioxymonocyanamide. The shape of Eu K-XAFS spectrum measured by the HIY method was similar to that measured by the conventional transmission method, while the signal-to-background ratio decreased with an increase in absorption edge energy, owing to low Auger electron emission probability. The evidences suggest that the HIY method is still applicable to the XAFS measurement for materials which could not be pulverized at such higher energy region.",

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AU - Takahashi, Masao

AU - Harada, Makoto

AU - Watanabe, Iwao

AU - Uruga, Tomoya

AU - Tanida, Hajime

AU - Yoneda, Yasuhiro

AU - Emura, Shuichi

AU - Tanaka, Tsunehiro

AU - Kimura, Hidekazu

AU - Kubozono, Yoshihiro

AU - Kikkawa, Shinichi

PY - 1999/5/1

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