The XAFS beamline of SSRF

于海生; 魏向军; 李炯; 顾颂琦; 张硕; 汪丽华; 马静远; 李丽娜; 高倩; 司锐; 孙凡飞; 王宇; 宋飞; 徐洪杰; 余笑寒; 邹杨; 王建强; 姜政; 黄宇营

doi:10.13538/j.1001-8042/nst.26.050102

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The XAFS beamline of SSRF

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS | Updated：2021-01-20

- The XAFS beamline of SSRF
- The XAFS beamline of SSRF
- 核技术（英文版） 2015年26卷第5期文章编号：050102
- Affiliations：
  
  1.Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China
- Author bio：
  
  jiangzheng@sinap.ac.cn
  huangyuying@sinap.ac.cn
- Funds：
  
  National Natural Science Foundation of China
- DOI：10.13538/j.1001-8042/nst.26.050102
  中图分类号：
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于海生, 魏向军, 李炯, 等. The XAFS beamline of SSRF[J]. 核技术（英文版）, 2015,26(5):050102

Hai-Sheng YU, Xiang-Jun WEI, Jiong LI, et al. The XAFS beamline of SSRF[J]. Nuclear Science and Techniques, 2015,26(5):050102
于海生, 魏向军, 李炯, 等. The XAFS beamline of SSRF[J]. 核技术（英文版）, 2015,26(5):050102 DOI： 10.13538/j.1001-8042/nst.26.050102.

Hai-Sheng YU, Xiang-Jun WEI, Jiong LI, et al. The XAFS beamline of SSRF[J]. Nuclear Science and Techniques, 2015,26(5):050102 DOI： 10.13538/j.1001-8042/nst.26.050102.

摘要

Abstract

The BL14W1 beamline at Shanghai Synchrotron Radiation Facility (SSRF) is an X-ray absorption fine-structure (XAFS) beamline, for investigating atomic local structure, which is demanded extensively in the fields of physics, chemistry, materials science, environmental science and so on. The beamline is based on a 38-pole wiggler with the maximum magnetic field of 1.2 T. X-rays of 4.5–40 keV can be extracted by the optical scheme consisting of white beam vertical collimating mirror, liquid-nitrogen-cooled double crystal monochromator of Si(111) and Si(311), toroidal focusing mirror and higher harmonics rejection mirror. The maximum photon flux about 5×10,12, photons/s at the sample at 10 keV, with a beam size of 0.3 mm×0.3 mm. The beamline is equipped with four types of detectors for experiments in either transmission or fluorescence mode. At present, quick-XAFS, grazing incidence XAFS, X-ray emission spectroscopy, high-pressure XAFS and time-resolved X-ray excited optical luminescence methods have been developed.

关键词

Keywords

Shanghai Synchrotron Radiation FacilityX-ray absorption fine structureBL14W1

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