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

页码：1031 / 1036

页数：6

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