Scientific instruments for soft X-ray photon-in/photon-out spectroscopy on the PAL-XFEL

被引：10
|
作者：
Park, Sang Han [1 ]
Yoon, Jungbum [2 ]
Kim, Changsoo [2 ]
Hwang, Chanyong [2 ]
Kim, Dong-Hyun [3 ]
Lee, Sang-Hyuk [4 ]
Kwon, Soonnam [1 ]
机构：
[1] PAL XFEL, 77 Cheongam Ro, Pohang 37673, Gyeongbuk, South Korea
[2] KRISS, Spin Convergence Res Team, Daejeon 34113, South Korea
[3] Chungbuk Natl Univ, Dept Phys, Cheongju 28644, Chungbuk, South Korea
[4] KRISS, Adv Instrumentat Inst, Daejeon 34113, South Korea
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2019年 / 26卷
关键词：
pulsed lasers; X-ray absorption spectroscopy; resonant inelastic X-ray scattering; soft X-rays; photon in; photon out instruments; FREE-ELECTRON LASER; ABSORPTION; OPERATION;
D O I：
10.1107/S1600577519004272
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An overview is given of the soft X-ray photon-in/photon-out instruments on the free-electron laser (FEL) beamline at the Pohang Accelerator Laboratory, and selected commissioning results are presented. The FEL beamline provides a photon energy of 270 to 1200eV, with an energy bandwidth of 0.44%, an energy of 200 mu J per pulse and a pulse width of <50fs (full width at half-maximum). The estimated total time resolution between optical laser and X-ray pulses is <100fs. Instruments for X-ray absorption spectroscopy (XAS) and resonant inelastic X-ray scattering (RIXS) have been set up. X-ray magnetic circular dichroism spectra for a Co/Pt multilayer film and RIXS spectra for alpha-Fe2O3(100) have been obtained and the performance of the spectrometer has been evaluated.
引用
收藏
页码：1031 / 1036
页数：6
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