U7C beamline and XAFS station of national synchrotron radiation laboratory

被引：8

作者：

Xu, FQ ^{[1
]}

Liu, WH ^{[1
]}

Wei, SQ ^{[1
]}

Xu, CY ^{[1
]}

Pan, GQ ^{[1
]}

Zhang, XY ^{[1
]}

Sun, JW ^{[1
]}

Zhao, WC ^{[1
]}

Cui, HB ^{[1
]}

Ye, WQ ^{[1
]}

机构：

[1] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2001年 / 8卷 / 08期

关键词：

U7C beamline of NSRL; XAFS station; measurement of electron charge;

D O I：

10.1107/S0909049500018045

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The XAFS station on beamline U7C of National Synchrotron Radiation Laboratory (NSRL) was completely constructed in December 1998. The source for XAFS station is from a 3-pole superconducting wiggler with magnetic field of 6 T inserted in the straight section of the storage ring. Using a Si(111) double crystal monochromator with a fixed slit, the X-ray intensity at the sample position is about 3x10(9) photons/second at the energy of 8980 eV of Cu K-edge. The Keithley 6517 electrometers are used to record the electron charges that are produced in the ionization chambers. A high ratio of signal to noise has been obtained for the XAFS spectra of Cu, Ni and Fe foils. Furthermore, the XAFS spectrum of Cu foil in NSRL is in good agreement with that obtained in BSRF and KEK.

引用

页码：348 / 350

页数：3

共 6 条

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