Set-Up of Magnetic Circular Dichroism of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory

ZHOU Hai-Tao; TAO Ye; LIU Tao; LI Gang; ZHU Man-Kang

Chinese Physics C> 2006, Vol. 30> Issue(10) : 1022-1026

Set-Up of Magnetic Circular Dichroism of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China2 College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China

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Magnetic circular dichroism spectroscopy using hard X-rays was established at 1W1B beamline and XAFS experimental station of Beijing Synchrotron Radiation Facility. The left and right circularly polarized X-rays were obtained by converting the incident linearly polarized X-rays using a phase retarder made of diamond crystal working at Laue geometry．XMCD spectra of disordered Pt-Fe alloys at Pt L₂ and L₃ edge were measured in transmission mode and a dramatic XMCD signal was observed. The performance of this method was evaluated and demonstrated.

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ZHOU Hai-Tao, TAO Ye, LIU Tao, LI Gang and ZHU Man-Kang. Set-Up of Magnetic Circular Dichroism of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory[J]. Chinese Physics C, 2006, 30(10): 1022-1026.

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Received: 2005-12-24
Revised: 2006-03-30

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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

Set-Up of Magnetic Circular Dichroism of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory

Corresponding author: LIU Tao,

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China2 College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China

Received Date: 2005-12-24

Accepted Date: 2006-03-30

Available Online: 2006-10-05

Abstract: Magnetic circular dichroism spectroscopy using hard X-rays was established at 1W1B beamline and XAFS experimental station of Beijing Synchrotron Radiation Facility. The left and right circularly polarized X-rays were obtained by converting the incident linearly polarized X-rays using a phase retarder made of diamond crystal working at Laue geometry．XMCD spectra of disordered Pt-Fe alloys at Pt L₂ and L₃ edge were measured in transmission mode and a dramatic XMCD signal was observed. The performance of this method was evaluated and demonstrated.

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Set-Up of Magnetic Circular Dichroism of Hard X-Rays Range at Beijing Synchrotron Radiation Laboratory

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