Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV

CHEN Kai; CUI Ming-Qi; ZHENG Lei

doi:10.1088/1674-1137/32/8/018

Chinese Physics C> 2008, Vol. 32> Issue(8) : 673-676 DOI: 10.1088/1674-1137/32/8/018

Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV

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Abstract：
The photo-absorption cross section of aluminum was obtained from the ratio of transmission of aluminum thin-films with different area densities from 50 to 250eV with synchrotron radiation monochromatic beam. Two samples with different area densities were used to minimize the uncertainty caused by the sample surface oxidation and systematic factors of the X-ray source, beamline, and detector. The experimental results are in good agreement with the published data and FEFF program calculations in general.

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CHEN Kai, CUI Ming-Qi and ZHENG Lei. Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV[J]. Chinese Physics C, 2008, 32(8): 673-676. doi: 10.1088/1674-1137/32/8/018

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Received: 2007-10-09
Revised: 2007-11-21

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV

Corresponding author: CUI Ming-Qi,

Received Date: 2007-10-09

Accepted Date: 2007-11-21

Available Online: 2008-08-05

Abstract:

The photo-absorption cross section of aluminum was obtained from the ratio of transmission of aluminum thin-films with different area densities from 50 to 250eV with synchrotron radiation monochromatic beam. Two samples with different area densities were used to minimize the uncertainty caused by the sample surface oxidation and systematic factors of the X-ray source, beamline, and detector. The experimental results are in good agreement with the published data and FEFF program calculations in general.

Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV

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通讯作者: 陈斌, bchen63@163.com

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Transmission measurement of photo-absorption cross section of aluminum in soft X-ray region of 50 to 250eV

Corresponding author: CUI Ming-Qi,

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